Edgar Filing: Interactive Brokers Group, Inc.

ibkr3q2010_10q.htm

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM 10-Q

(Mark One)

x			QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934

For the quarterly period ended September 30, 2010.

o			TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934

For the transition period from to

Commission File Number: 001-33440

INTERACTIVE BROKERS GROUP, INC.

(Exact name of registrant as specified in its charter)

Delaware		30-0390693
(State or other jurisdiction		(I.R.S. Employer
of incorporation or organization)		Identification No.)

One Pickwick Plaza

Greenwich, Connecticut 06830

(Address of principal executive office)

(203) 618-5800

(Registrant’s telephone number, including area code)

Indicate by check mark whether the registrant (1) has filed all reports required to be filed by Section 13 or 15(d) of the Securities Exchange Act of 1934 during the preceding 12 months (or for such shorter period that the registrant was required to file such reports), and (2) has been subject to such filing requirements for the past 90 days. Yes x No o.

Indicate by check mark whether the registrant has submitted electronically and posted on its corporate Web site, if any, every Interactive Data File required to be submitted and posted pursuant to Rule 405 of Regulation S-T during the preceding 12 months (or for such shorter period that the registrant was required to submit and post such files). Yes x No ¨

Indicate by check mark whether the registrant is a large accelerated filer, an accelerated filer, or a non-accelerated filer. See definition of “accelerated filer” and large accelerated filer” in Rule 12b-2 of the Exchange Act. (Check one):


Large accelerated filer x	Accelerated filer o	Non-accelerated filer o	SS Smaller reporting company o
		(Do not check if a smaller
		reporting company)

Indicate by check mark whether the registrant is a shell company (as defined in Rule 12b-2 of the Exchange Act). Yes o No x.

As of November 8, 2010, there were 42,222,349 shares of the issuer’s Class A common stock, par value $0.01 per share, outstanding and 100 shares of the issuer’s Class B common stock, par value $0.01 per share, outstanding.

INTERACTIVE BROKERS GROUP, INC.

QUARTERLY REPORT ON FORM 10-Q FOR THE QUARTER ENDED SEPTEMBER 30, 2010

Table of Contents

		Page
		No.

PART I:	FINANCIAL INFORMATION

Item 1:	Financial Statements (Unaudited)	3

	Condensed Consolidated Statements of Financial Condition	4

	Condensed Consolidated Statements of Income	5

	Condensed Consolidated Statements of Cash Flows	6

	Condensed Consolidated Statement of Changes in Equity	7

	Notes to Condensed Consolidated Financial Statements	8

Item 2:	Management’s Discussion and Analysis of Financial Condition and Results of Operations	27

Item 3:	Quantitative and Qualitative Disclosures About Market Risk	49

Item 4:	Controls and Procedures	51

PART II:	OTHER INFORMATION

Item 1:	Legal Proceedings	52

Item 1A:	Risk Factors	52

Item 2:	Unregistered Sales of Equity Securities and Use of Proceeds	52

Item 3:	Defaults upon Senior Securities	52

Item 5:	Other Information	52

Item 6:	Exhibits	53

SIGNATURES		54

PART I: FINANCIAL INFORMATION

Financial Statements Introductory Note

Interactive Brokers Group, Inc. (“IBG, Inc.” or the “Company”) is a holding company whose primary asset is its ownership of approximately 10.8% of the membership interests of IBG LLC (the “Group”). See Notes 1 and 4 to the unaudited condensed consolidated financial statements for further discussion of the Company’s capital and ownership structure.

We are an automated global electronic market maker and broker specializing in routing orders and executing and processing trades in securities, futures, foreign exchange instruments, bonds and mutual funds on more than 80 electronic exchanges and trading venues around the world. In the U.S., our business is conducted from our headquarters in Greenwich, Connecticut and from Chicago, Illinois and Jersey City, New Jersey. Abroad, we conduct business through offices located in Canada, England, Switzerland, Hong Kong, India, Australia and Japan. At September 30, 2010 we had 855 employees worldwide.

Interactive Brokers Group, Inc. and Subsidiaries
Condensed Consolidated Statements of Financial Condition
(Unaudited)
				September 30,			December 31,
(in thousands, except share data)				2010			2009
Assets
Cash and cash equivalents			$	1,291,717		$	806,560
Cash and securities - segregated for regulatory purposes				7,623,281			6,910,657
Securities borrowed				4,667,660			5,063,026
Securities purchased under agreements to resell				397,170			231,284
Trading assets, at fair value:
	Financial instruments owned			7,088,739			7,809,944
	Financial instruments owned and pledged as collateral			2,124,464			1,534,038
				9,213,203			9,343,982
Other receivables:
	Customers, less allowance for doubtful accounts of $18,212 and
		$16,637 at September 30, 2010 and December 31, 2009		5,421,237			3,239,625
	Brokers, dealers and clearing organizations			537,438			493,063
	Receivable from affiliate			1,188			1,160
	Interest			14,774			14,720
				5,974,637			3,748,568
Other assets				492,759			501,474
Total assets			$	29,660,427		$	26,605,551

Liabilities and equity
Liabilities:
Trading liabilities - financial instruments sold but not yet purchased,
at fair value			$	8,340,378		$	8,763,201
Securities loaned				1,610,546			1,133,658
Short-term borrowings				148,087			320,803
Other payables:
	Customers			13,413,166			10,587,701
	Brokers, dealers and clearing organizations			278,766			164,523
	Payable to affiliate			298,982			298,982
	Accounts payable, accrued expenses and other liabilities			227,960			244,715
	Interest			8,013			9,060
				14,226,887			11,304,981

Senior notes payable				219,632			205,777
Senior secured credit facility				-			-
				24,545,530			21,728,420

Commitments, contingencies and guarantees

Equity:
Stockholders’ equity:
	Common stock, $0.01 par value per share:
	Class A – Authorized - 1,000,000,000, Issued - 47,784,286
		Outstanding – 42,222,349 and 41,216,779 at September 30, 2010
		and December 31, 2009		478			478
	Class B – Authorized, Issued and Outstanding – 100 shares
		at September 30, 2010 and December 31, 2009		-			-
	Additional paid-in capital			528,586			528,586
	Retained earnings			196,176			177,409
	Accumulated other comprehensive income, net of income taxes of
		$9,816 and $6,343 at September 30, 2010 and December 31, 2009		16,891			10,914
	Treasury stock, at cost, 5,561,937 and 6,567,507 shares
		at September 30, 2010 and December 31, 2009		(118,940	)		(142,441	)
Total stockholders’ equity				623,191			574,946
Non-controlling interests				4,491,706			4,302,185
Total equity				5,114,897			4,877,131
Total liabilities and equity			$	29,660,427		$	26,605,551

See accompanying notes to the unaudited condensed consolidated financial statements.

Interactive Brokers Group, Inc. and Subsidiaries
Condensed Consolidated Statements of Income
(Unaudited)

			Three months ended				Nine months ended
			September 30,					September 30,
(in thousands, except for shares or per share amounts)			2010		2009		2010		2009

Revenues:
	Trading gains		$	168,675	$	154,709	$	326,889	$	558,853
	Commissions and execution fees			90,144		89,007		289,396		263,453
	Interest income			42,350		29,902		119,967		89,716
	Other income			13,928		13,047		48,425		42,050
		Total revenues		315,097		286,665		784,677		954,072

Interest expense				15,959		15,173		48,833		54,141

	Total net revenues			299,138		271,492		735,844		899,931

Non-interest expenses:
	Execution and clearing			61,905		69,422		207,075		201,333
	Employee compensation and benefits			49,613		43,015		149,649		128,312
	Occupancy, depreciation and amortization			9,197		10,008		27,549		29,511
	Communications			5,834		6,105		17,558		16,609
	General and administrative			10,669		9,675		35,104		31,844
		Total non-interest expenses		137,218		138,225		436,935		407,609

Income before income taxes				161,920		133,267		298,909		492,322

Income tax expense				13,201		13,168		25,735		50,191
Net income				148,719		120,099		273,174		442,131
	Less net income attributable to non-controlling interests			137,683		111,689		254,407		408,281
Net income available for common stockholders			$	11,036	$	8,410	$	18,767	$	33,850

Earnings per share:
	Basic		$	0.26	$	0.20	$	0.45	$	0.83
	Diluted		$	0.26	$	0.20	$	0.44	$	0.81

Weighted average common shares outstanding:
	Basic			42,222,449		41,214,598		41,750,973		40,891,841
	Diluted			42,784,799		41,973,518		42,401,307		41,740,729



See accompanying notes to the unaudited condensed consolidated financial statements.

Interactive Brokers Group, Inc. and Subsidiaries
Condensed Consolidated Statements of Cash Flows
(Unaudited)
				Nine months ended September 30,
(in thousands)					2010			2009
Cash flows from operating activities:
	Net income			$	273,174		$	442,131
	Adjustments to reconcile net income to net cash provided by
	operating activities:
		Translation losses (gains)			169,454			(23,359	)
		Deferred income taxes			6,409			19,575
		Depreciation and amortization			13,535			15,318
		Employee stock plan compensation			30,184			23,777
		Losses on non-trading investments, net			2,756			8,565
		Bad debt expense and other			2,491			(1,003	)
	Change in operating assets and liabilities:
		Increase in cash and securities - segregated for regulatory purposes			(712,908	)		(1,455,553	)
		Decrease in securities borrowed			385,707			715,446
		(Increase) decrease in securities purchased under agreements to resell			(165,902	)		98,018
		Decrease in trading assets			89,774			914,259
		Increase in receivables from customers			(2,184,861	)		(1,321,759	)
		(Increase) decrease in other receivables			(51,618	)		551,807
		Decrease (increase) in other assets			3,668			(1,867	)
		Decrease in trading liabilities			(451,974	)		(2,711,190	)
		Increase in securities loaned			472,580			153,039
		Increase in payable to customers			2,816,952			3,039,265
		Increase (decrease) in other payables			73,909			(186,321	)
			Net cash provided by operating activities		773,330			280,148
	Cash flows from investing activities:
		Purchase of investments			(1	)		(9,526	)
		Distribution received from equity investment			-			2,292
		Purchase of property and equipment			(14,510	)		(17,369	)
			Net cash used in investing activities		(14,511	)		(24,603	)
	Cash flows from financing activities:
		Dividends paid to non-controlling interests			(114,210	)		(124,748	)
		Redemption of member interests from IBG Holdings LLC			(27,204	)		(14,738	)
		Redemption of former member interest			-			(164	)
		Reduction in non-controlling interest in subsidiary			-			22
		Issuance of senior notes			471,596			362,707
		Redemptions of senior notes			(457,741	)		(320,638	)
		Borrowings under senior secured credit facility			-			800
		Repayments of senior secured credit facility			-			(300,800	)
		(Decrease) increase in short-term borrowings, net			(181,652	)		30,297
			Net cash used in financing activities		(309,211	)		(367,262	)
	Effect of exchange rate changes on cash and cash equivalents				35,549			28,155
	Net increase (decrease) in cash and cash equivalents				485,157			(83,562	)
	Cash and cash equivalents at beginning of period				806,560			943,497
	Cash and cash equivalents at end of period			$	1,291,717		$	859,935

Supplemental disclosures of cash flow information:
	Cash paid for interest			$	49,880		$	59,188
	Cash paid for taxes			$	64,257		$	99,931

See accompanying notes to the unaudited condensed consolidated financial statements.

Interactive Brokers Group, Inc. and Subsidiaries
Condensed Consolidated Statements of Changes in Equity
Nine months ended September 30, 2010
(Unaudited)
(in thousands, except for share amounts)
			Common Stock
													Accumulated
						Additional							Other		Total		Non-
				Par		Paid-In		Treasury			Retained		Comprehensive		Stockholders'		controlling			Total
			Shares	Value		Capital		Stock			Earnings		Income		Equity		Interests			Equity

Balance, January 1, 2010			41,216,879	$	478	$	528,586	$	(142,441	)	$	177,409	$	10,914	$	574,946	$	4,302,185		$	4,877,131

Common Stock distributed to employees			1,005,570						23,501							23,501					23,501
Redemption of non-controlling interests																		(27,204	)		(27,204	)
Dividends paid by IBG LLC to
	non-controlling interests															-		(114,210	)		(114,210	)
Comprehensive income:
	Net income											18,767				18,767		254,407			273,174
	Cumulative translation adjustment,
		net of income taxes of $3,473												5,977		5,977		76,528			82,505

Total comprehensive income												18,767		5,977		24,744		330,935			355,679
Balance, September 30, 2010			42,222,449	$	478	$	528,586	$	(118,940	)	$	196,176	$	16,891	$	623,191	$	4,491,706		$	5,114,897

See accompanying notes to the unaudited condensed consolidated financial statements.

Interactive Brokers Group, Inc. and Subsidiaries

Notes to Unaudited Condensed Consolidated Financial Statements

(dollars in thousands, except shares and per share amounts, unless otherwise noted)

1. Organization and Nature of Business

Interactive Brokers Group, Inc. ("IBG, Inc." or the "Company") is a Delaware holding company whose primary asset is its ownership of approximately 10.8% of the membership interests of IBG LLC, which, in turn, owns operating subsidiaries (collectively, "IBG LLC" or the "Group"). The accompanying unaudited condensed consolidated financial statements of IBG, Inc. reflect the consolidation of IBG, Inc.’s investment in IBG LLC for all periods presented (Note 4). IBG LLC is an automated global market maker and electronic broker specializing in routing orders and processing trades in securities, futures and foreign exchange instruments.

IBG LLC is a Connecticut limited liability company that conducts its business through its operating subsidiaries (collectively called the “Operating Companies”): Timber Hill LLC (“TH LLC”), Timber Hill Specialists Corp. (“THSC”), Timber Hill Europe AG (“THE”), Timber Hill Securities Hong Kong Limited (“THSHK”), Timber Hill Australia Pty Limited (“THA”), Timber Hill Canada Company (“THC”), Interactive Brokers LLC (“IB LLC”) and subsidiaries, Interactive Brokers Canada Inc. (“IBC”), Interactive Brokers (U.K.) Limited (“IBUK”), Interactive Brokers (India) Private Limited (“IBI”), Interactive Brokers Financial Products S.A. (“IBFP”), Interactive Brokers Hungary KFT (“IBH”), IB Exchange Corp. (“IBEC”), Interactive Brokers Securities Japan, Inc. (“IBSJ”), Interactive Brokers Software Services Estonia OU (“IBEST”) and Interactive Brokers Software Services Russia (“IBRUS”).

Certain of the Operating Companies are members of various securities and commodities exchanges in North America, Europe and the Asia/Pacific region. Other than IB LLC, IBUK, IBC and IBI, the Operating Companies do not carry securities accounts for customers or perform custodial functions relating to customer securities.

2. Significant Accounting Policies

Basis of Presentation

These unaudited condensed consolidated financial statements as of and for the three and nine month periods ended September 30, 2010 and 2009 and the unaudited condensed consolidated statement of financial condition as of December 31, 2009 reflect IBG, Inc. and its subsidiaries and are presented in U.S. dollars and have been prepared pursuant to the rules and regulations of the U.S. Securities and Exchange Commission (“SEC”) regarding financial reporting with respect to Form 10-Q. Accordingly, they do not include all of the information and footnotes required for full financial statements by accounting standards under the Financial Accounting Standards Board (“FASB”) Accounting Standards Codification (“Codification” or “ASC”). These unaudited condensed consolidated financial statements should be read in conjunction with the audited consolidated financial statements and notes thereto included in IBG, Inc.’s Annual Report on Form 10-K filed with the SEC on February 26, 2010.

Gains and losses from foreign currency transactions are included in trading gains and losses, where related to market making activities, or in interest income, where related to investment of customer funds as part of electronic brokerage activities, in the unaudited condensed consolidated statements of income. Non-U.S. subsidiaries have a functional currency (i.e., the currency in which activities are primarily conducted) that is other than the U.S. dollar. Such subsidiaries’ assets and liabilities are translated to U.S. dollars at period-end exchange rates, while revenues and expenses are translated at average exchange rates during the year. Adjustments that result from translating amounts from a subsidiary’s functional currency to the U.S. dollar are reported in non-controlling interests or stockholders’ equity as a component of accumulated other comprehensive income.

The Company has reclassified $181,721 of securities purchased under agreements to resell as of December 31, 2009 to cash and securities - segregated for regulatory purposes in the unaudited condensed consolidated statement of financial condition.

Principles of Consolidation

The unaudited condensed consolidated financial statements include the accounts of IBG, Inc. and its majority and wholly owned subsidiaries. The Company’s policy is to consolidate all entities of which it owns more than 50% unless it does not have control. As sole managing member of IBG LLC, IBG, Inc. exerts control over the Group’s operations. In accordance with ASC 810, the Company consolidates the Group’s unaudited condensed consolidated financial statements and records as non-controlling interest the interests in the Group that IBG, Inc. does not own. All inter-company balances and transactions have been eliminated. IBG, Inc. would also consolidate any Variable Interest Entities (“VIEs”) pursuant to ASC 860, Transfers and Servicing and ASC 810 Consolidation of which it is the primary beneficiary. IBG, Inc. currently is not the primary beneficiary of any such entities and therefore no VIEs are included in the unaudited condensed consolidated financial statements.

Interactive Brokers Group, Inc. and Subsidiaries

Notes to Unaudited Condensed Consolidated Financials Statements (Continued)

(dollars in thousands, except shares and per share amounts, unless otherwise noted)

Use of Estimates

The preparation of financial statements in conformity with the Codification requires management to make estimates and assumptions that affect the reported amounts and disclosures in the unaudited condensed consolidated financial statements and accompanying notes. Estimates, by their nature, are based on judgment and available information. Therefore, actual results could differ materially from those estimates. Such estimates include the estimated fair value of investments accounted for under the equity method of accounting, the estimated useful lives of property and equipment, including capitalized internally developed software, the allowance for doubtful accounts, compensation accruals, tax liabilities and estimated contingency reserves.

Fair Value

At September 30, 2010 and December 31, 2009, substantially all of IBG, Inc.’s assets and liabilities, including financial instruments, were carried at fair value based on published market prices and marked to market daily, or were assets which are short-term in nature (such as U.S. government treasury bills or spot foreign exchange) and were carried at amounts that approximate fair value.

IBG, Inc. applies the fair value hierarchy of ASC 820, Fair Value Measurements and Disclosures, to prioritize the inputs to valuation techniques used to measure fair value. The hierarchy gives the highest priority to unadjusted quoted prices in active markets for identical assets and liabilities and the lowest priority to unobservable inputs. The three levels of the fair value hierarchy are:

Level 1	Unadjusted quoted prices in active markets that are accessible at the measurement date for identical, unrestricted assets or liabilities;

Level 2	Quoted prices in markets that are not considered to be active or financial instruments for which all significant inputs are observable, either directly or indirectly; and

Level 3	Prices or valuations that require inputs that are both significant to fair value measurement and unobservable.

Financial instruments owned and financial instruments sold, but not yet purchased, except forward currency contracts, over-the-counter (“OTC”) currency options and certain corporate and municipal debt securities, which are classified as Level 2 financial instruments, are classified within Level 1 of the fair value hierarchy. Level 1 financial instruments, which are valued using quoted market prices as published by exchanges and clearing houses or otherwise broadly distributed in active markets, include U.S. government and sovereign obligations, active listed securities, options, futures, options on futures and corporate and municipal debt securities. IBG, Inc. does not adjust quoted prices for Level 1 financial instruments, even in the event that the Company may hold a large position whereby a purchase or sale could reasonably impact quoted prices. Currency forward contracts and OTC currency options are classified as Level 2 financial instruments as such instruments are not exchange-traded. Corporate and municipal debt securities, including Federal Deposit Insurance Corporation insured corporate bonds held as securities segregated for regulatory purposes, that are not actively traded are also classified in Level 2, as are investments in restricted common stock, which investments are reported in other assets in the accompanying unaudited condensed consolidated statement of financial condition.

Earnings Per Share

Earnings per share (“EPS”) is computed in accordance with ASC 260, Earnings per Share. Shares of Class A and Class B common stock share proportionately in the earnings of IBG, Inc. Basic earnings per share are calculated utilizing net income available for common stockholders divided by the weighted average number of shares of Class A and Class B common stock outstanding for that period. Diluted earnings per share are calculated utilizing the Company’s basic net income available for common stockholders divided by diluted weighted average shares outstanding with no adjustments to net income available to common stockholders for dilutive potential common shares.

Interactive Brokers Group, Inc. and Subsidiaries

Notes to Unaudited Condensed Consolidated Financials Statements (Continued)

(dollars in thousands, except shares and per share amounts, unless otherwise noted)

Stock-Based Compensation

IBG, Inc. follows ASC 718, Compensation – Stock Compensation, to account for its stock-based compensation plans. ASC 718 requires all share-based payments to employees to be recognized in the financial statements using a fair value-based method. As a result, IBG, Inc. expenses the fair value of stock granted to employees over the related vesting period.

Cash and Cash Equivalents

IBG, Inc. defines cash equivalents as short-term, highly liquid securities and cash deposits with original maturities of three months or less, other than those used for trading purposes.

Cash and Securities — Segregated for Regulatory Purposes

As a result of customer activities, certain Operating Companies are obligated by rules mandated by their primary regulators to segregate or set aside cash or qualified securities to satisfy such regulations, which regulations have been promulgated to protect customer assets. In addition, substantially all of the Operating Companies are members of various clearing organizations at which cash or securities are deposited as required to conduct day-to-day clearance activities.

Securities Borrowed and Securities Loaned

Securities borrowed and securities loaned are recorded at the amount of cash collateral advanced or received. Securities borrowed transactions require IBG, Inc. to provide counterparties with collateral, which may be in the form of cash, letters of credit, or other securities. With respect to securities loaned, IBG, Inc. receives collateral, which may be in the form of cash or other securities in an amount generally in excess of the fair value of the securities loaned.

IBG, Inc. monitors the market value of securities borrowed and loaned on a daily basis, with additional collateral obtained or refunded as permitted contractually. Receivables and payables with the same counterparty are not offset in the unaudited condensed consolidated statements of financial condition. For these transactions, the fees received or paid by IBG, Inc. are recorded as interest income or interest expense in the unaudited condensed consolidated statements of income.

Securities Purchased Under Agreements to Resell

Securities purchased under agreements to resell are treated as collateralized financing transactions and are recorded at contract value, plus accrued interest, which approximates fair value. The Company’s policy is to obtain possession of collateral with a fair value equal to or in excess of the principal amount loaned under resale agreements. To ensure that the fair value of the underlying collateral remains sufficient, this collateral is valued daily with additional collateral obtained or excess collateral returned, as permitted under contractual provisions.

Financial Instruments Owned and Sold But Not Yet Purchased

Stocks, government, corporate and municipal bonds, futures and options transactions are reported in the unaudited condensed consolidated financial statements on a trade date basis. All financial instruments owned and financial instruments sold but not yet purchased are recorded at fair value based upon quoted market prices. All firm-owned financial instruments pledged to counterparties where the counterparty has the right, by contract or custom, to sell or repledge the financial instruments are classified as financial instruments owned and pledged as collateral in the unaudited condensed consolidated statements of financial condition.

IBG, Inc. also enters into currency forward contracts. These transactions, which are also reported on a trade date basis, are agreements to exchange a fixed amount of one currency for a specified amount of a second currency at completion of the currency forward contract term. Unrealized mark-to-market gains and losses on currency forward contracts are reported as components of financial instruments owned or financial instruments sold but not yet purchased in the unaudited condensed consolidated statements of financial condition. Net earnings or losses are reported as components of interest income in the unaudited condensed consolidated statements of income.

Customer Receivables and Payables

Customer securities transactions are recorded on a settlement date basis and customer commodities transactions are recorded on a trade date basis. Receivables from and payables to customers include amounts due on cash and margin transactions, including

Interactive Brokers Group, Inc. and Subsidiaries

Notes to Unaudited Condensed Consolidated Financials Statements (Continued)

(dollars in thousands, except shares and per share amounts, unless otherwise noted)

futures contracts transacted on behalf of customers. Securities owned by customers, including those that collateralize margin loans or other similar transactions, are not reported in the unaudited condensed consolidated statements of financial condition. Amounts receivable from customers that are determined by management to be uncollectible are written off to general and administrative expense.

Receivables from and Payables to Brokers, Dealers and Clearing Organizations

Receivables from brokers, dealers and clearing organizations include amounts receivable for securities not delivered by IBG, Inc. to the purchaser by the settlement date (“fails to deliver”) and margin deposits. Payables to brokers, dealers and clearing organizations include amounts payable for securities not received by IBG, Inc. from a seller by the settlement date (“fails to receive”). Receivables and payables to brokers, dealers and clearing organizations also include amounts related to futures contracts executed on behalf of customers as well as net payables and receivables from unsettled trades.

Investments

IBG, Inc. makes certain strategic investments and accounts for these investments under the equity method of accounting or the cost method of accounting as required under ASC 323, Investments – Equity Method and Joint Ventures. Investments are accounted for under the equity method of accounting, when IBG, Inc. has significant influence over the investee. Investments accounted for under the equity method, including where the investee is a limited partnership or limited liability company, are recorded at the fair value amount of IBG, Inc.’s investment and adjusted each period for IBG, Inc.’s share of the investee’s income or loss. IBG, Inc.’s share of the income or losses from equity investments is reported as a component of other income in the unaudited condensed consolidated statements of income and the recorded amounts of IBG, Inc.’s equity investments, which are included in other assets in the unaudited condensed consolidated statements of financial condition, increase or decrease accordingly. Distributions received from equity investees are recorded as reductions to the respective investment balance.

Investments accounted for under the cost method are recorded at the fair value of IBG, Inc.’s investment at inception. IBG, Inc. records investment income to the extent of dividends received on such investments. In February 2009, the Company invested $7,500 in Quadriserv Inc., an electronic securities lending platform provider, which investment is being accounted for under the cost method.

A judgmental aspect of accounting for investments is evaluating whether an other-than-temporary decline in the value of an investment has occurred. The evaluation of an other-than-temporary impairment is dependent on specific quantitative and qualitative factors and circumstances surrounding an investment, including recurring operating losses, credit defaults and subsequent rounds of financing. None of IBG, Inc.’s equity investments have readily determinable market values. All equity investments are reviewed for changes in circumstances or occurrence of events that suggest IBG, Inc.’s investment may not be recoverable. If an unrealized loss on any investment is considered to be other-than-temporary, the loss is recognized in the period the determination is made. IBG, Inc. also holds exchange memberships and investments in equity securities of certain exchanges as required to qualify as a clearing member, and strategic investments in corporate stock that do not qualify for equity method accounting. Such investments are recorded at cost or, if an other-than-temporary impairment in value has occurred, at a value that reflects management’s estimate of the impairment, and are included in other assets in the unaudited condensed consolidated statements of financial condition. Dividends are recognized as a component of other income as such dividends are received.

Property and Equipment

Property and equipment, which is a component of other assets, consist of purchased technology hardware and software, internally developed software, leasehold improvements and office furniture and equipment. Property and equipment are recorded at historical cost, less accumulated depreciation and amortization. Additions and improvements that extend the lives of assets are capitalized, while expenditures for repairs and maintenance are expensed as incurred. Depreciation and amortization are computed using the straight-line method. Equipment is depreciated over the estimated useful lives of the assets, while leasehold improvements are amortized over the lesser of the estimated economic useful life of the asset or the term of the lease. Computer equipment is depreciated over three to five years and office furniture and equipment are depreciated over five to seven years. Qualifying costs for internally developed software are capitalized and amortized over the expected useful life of the developed software, not to exceed three years.

Comprehensive Income and Foreign Currency Translation

Comprehensive income consists of two components: net income and other comprehensive income. Other comprehensive income refers to revenues, expenses, gains and losses that are included in stockholders’ equity but are excluded from net income.

Interactive Brokers Group, Inc. and Subsidiaries

Notes to Unaudited Condensed Consolidated Financials Statements (Continued)

(dollars in thousands, except shares and per share amounts, unless otherwise noted)

IBG, Inc.’s other comprehensive income is comprised of foreign currency translation adjustments.

IBG, Inc.’s international Operating Companies have a functional currency (i.e., the currency in which activities are primarily conducted) that is other than the U.S. dollar. Such subsidiaries’ assets and liabilities are translated into U.S. dollars at period-end exchange rates, and revenues and expenses are translated at average exchange rates prevailing during the period. Translation gains and losses from market making and electronic brokerage activities, respectively, are included in trading gains and in other income in the accompanying unaudited condensed consolidated statements of income. Adjustments that result from translating amounts from a subsidiary’s functional currency are reported as a component of accumulated other comprehensive income.

Revenue Recognition

— Trading Gains

Trading gains and losses are recorded on trade date, and are reported on a net basis. Trading gains are comprised of changes in the fair value of trading assets and liabilities (i.e., unrealized gains and losses) and realized gains and losses.

Dividends are integral to the valuation of stocks and interest is integral to the valuation of fixed income instruments. Accordingly, both dividends and interest income and expense attributable to specific trading assets and liabilities are reported on a net basis as a component of trading gains in the accompanying unaudited condensed consolidated statements of income.

— Commissions and Execution Fees

Commissions charged for executing and clearing customer transactions are recorded on a trade date basis and are reported as commissions and execution fees in the unaudited condensed consolidated statements of income, and the related expenses are reported as execution and clearing expenses, also on a trade date basis.

Income Taxes

IBG, Inc. accounts for income taxes in accordance with ASC 740, Income Taxes, which requires the recognition of tax benefits or expenses on the temporary differences between the financial reporting and tax bases of assets and liabilities, including the accounting for uncertainty of income tax positions recognized in financial statements, prescribing a “more likely than not” threshold and measurement attribute for recognition in the financial statements of an asset or liability resulting from a tax position taken or expected to be taken in an income tax return.

The Company’s provision for income taxes is comprised of two (2) principal components: (1) the Group’s unaudited condensed consolidated income tax expense, and (2) the Company’s U.S. Federal and state income taxes on its proportionate share of the Group’s income that is subject to tax.

The Group has historically operated in the United States as a limited liability company that was treated as a partnership for U.S. federal income tax purposes. Accordingly, the Group’s income, which is allocated proportionately to the Group’s members, the Company and IBG Holdings LLC, is not subject to U.S. federal income taxes at the Group level. Taxes related to income earned by partnerships represent obligations of the individual partners. Therefore, income taxes attributable to the Group and included in income tax expense in the Company’s unaudited condensed consolidated statements of income are primarily incurred in non-U.S. subsidiaries. Outside the United States, the Group principally operates through subsidiary corporations and is subject to local income taxes. In addition, state and local income taxes include taxes assessed on the Group by jurisdictions that do not recognize the Group’s limited liability company status. Foreign income taxes paid by the Group on dividends received are also reported as income taxes.

IBG, Inc. recognizes interest related to income tax matters as interest income or expense and penalties related to income tax matters as income tax expense.

Interactive Brokers Group, Inc. and Subsidiaries

Notes to Unaudited Condensed Consolidated Financials Statements (Continued)

(dollars in thousands, except shares and per share amounts, unless otherwise noted)

Recently Issued Accounting Pronouncements

Subsequent to the adoption of the ASC, the FASB will issue Accounting Standards Updates (“ASU’s”) as the means to add to or delete from, or otherwise amend the ASC. In 2010, prior to the issuance of the Company’s unaudited condensed consolidated financial statements, ASU’s 2010-1 through ASU 2010-26 were issued. Following is a summary of recently issued ASU’s that may affect the Company’s unaudited condensed consolidated financial statements:

	Affects	Status

ASU 2009-12	Investments in Certain Entities That Calculate Net Asset Value per Share (or its equivalent) – Amends ASC 820 to offer investors a practical expedient for measuring the fair value of investments in certain entities that calculate net asset value per share	Periods ending after December 15, 2009

ASU 2009-13	Multiple Deliverable Revenue Arrangements – Amends ASC 605-25	Fiscal years beginning on or after June 15, 2010, early adoption permitted

ASU 2009-14	Certain Revenue Arrangements That Include Software Elements – Amends ASC 985-605 and 985-605-13 to exclude from their scope tangible products that contain software and non-software components that function together to deliver the products essential functionality	Fiscal years beginning on or after June 15, 2010, early adoption permitted

ASU 2009-15	Accounting for Own-Share Lending Arrangements in Contemplation of Convertible Debt Issuance or Other Financing	Periods beginning on or after December 15, 2009

ASU 2009-16	Transfers and Servicing: Accounting or Transfers of Financial Assets – Amends ASC 860 – eliminates exceptions for qualifying special purpose entities and for certain mortgage securitizations	Periods beginning after November 15, 2009

ASU 2009-17	Improvements to Financial Reporting by Enterprises Involved with Variable Interest Enterprises – Amends ASC 810 for the issuance of SFAS No. 167	Periods beginning on or after December 15, 2009

ASU 2010-09	Subsequent Events (Topic 855) – Amendments to Certain Recognition and Disclosure Requirements	Effective on issuance

ASU 2010-11	Derivatives and Hedging (Topic 815) - Scope Exception related to Embedded Credit Derivatives	First fiscal quarter beginning after June 15, 2010, early adoption permitted at the beginning of the first fiscal quarter after issuance.

ASU 2010-12	Income Taxes (Topic 740) - Accounting for Certain Tax Effects of the 2010 Health Care Reform Acts	Effective on issuance.

ASU 2010-13	Compensation - Stock Compensation (Topic 718) - Effect of Denominating the Exercise Price of a Share-Based Payment Award in the Currency of the Market in Which the Underlying Equity Security Trades	Fiscal years, and interim periods within those fiscal years, beginning after December 15, 2010. Early application is permitted.

Interactive Brokers Group, Inc. and Subsidiaries

Notes to Unaudited Condensed Consolidated Financials Statements (Continued)

(dollars in thousands, except shares and per share amounts, unless otherwise noted)

Adoption of those ASU’s that became effective during 2009 and in 2010, prior to the issuance of the Company’s unaudited condensed consolidated financial statements, did not have a material effect on those financial statements. Management is assessing the potential impact on the Company’s financial statements of adopting ASU’s that will become effective in the future.

ASC/IFRS Convergence

In February 2010, the SEC issued “Commission Statement in Support of Convergence and Global Accounting Standards”, a formal statement updating the status of its November 2008 “Roadmap for the Potential Use of Financial Statements Prepared in Accordance with International Financial Reporting Standards by U.S. Issuers” (“IFRS Roadmap”). The statement supported convergence of accounting standards and the development of a single set of global accounting standards. As directed in this statement, the SEC staff issued “Work Plan for the Consideration of Incorporating International Financial Reporting Standards into the Financial Reporting System for U.S. Issuers” (the “Work Plan”) in May 2010. The Work Plan is expected to provide the SEC with information to be able to conclude whether IFRS should be adopted for U.S. registrants. While neither the February statement nor the Work Plan define a certain date for adoption of IFRS, both documents stated an expectation that a decision on whether the SEC would mandate adoption of IFRS is expected to be made in 2011. If a decision to adopt IFRS is made at that point in time, initial adoption for U.S. registrants would be approximately December 31, 2015 or 2016, with a transition date of either January 1, 2013 or 2014 for the initial three year retrospective comparative reporting period. Management continues to assess the potential impact of adopting IFRS on the Company’s unaudited condensed consolidated financial statements.

Other

ASC 860, Transfers and Servicing, incorporates former SFAS No. 166, Accounting for Transfers of Financial Assets, an amendment of FASB No. 140, was issued in June 2009 and became effective for interim and annual periods beginning after January 1, 2010. These provisions of ASC 860 require more information about transfers of financial assets, including securitization transactions, and where entities have continuing exposure to the risks related to transferred financial assets. The concept of a “qualifying special-purpose entity” (“SPE”) was eliminated under these provisions of ASC 860, which also changed the requirements for derecognizing financial assets and requires additional disclosures. Adoption of these provisions did not have a material effect on the Company’s unaudited condensed consolidated financial statements.

ASC 810, Consolidations, incorporates former SFAS No. 167, Amendments to FASB Interpretation No. 46(R). These pending provisions of ASC 810 revise former FASB Interpretation No. 46 (Revised December 2003), Consolidation of Variable Interest Entities, and changes how a reporting entity determines when an entity that is insufficiently capitalized or is not controlled through voting (or similar rights) and therefore should be consolidated. Consolidation of Variable Interest Entities (“VIE’s”) would be based on the target entity’s purpose and design as well as the reporting entity’s ability to direct the target’s activities, among other criteria. SFAS No. 167 was issued in June 2009 and became effective for interim and annual periods beginning after January 1, 2010. Adoption of these provisions did not have a material effect on the Company’s unaudited condensed consolidated financial statements.

3. Trading Activities and Related Risks

IBG, Inc.’s trading activities include providing securities market making and brokerage services. Trading activities expose IBG, Inc. to market and credit risks. These risks are managed in accordance with established risk management policies and procedures. To accomplish this, management has established a risk management process that includes:

a regular review of the risk management process by executive management as part of its oversight role;

defined risk management policies and procedures supported by a rigorous analytic framework; and

articulated risk tolerance levels as defined by executive management that are regularly reviewed to ensure that IBG, Inc.’s risk-taking is consistent with its business strategy, capital structure, and current and anticipated market conditions.

Interactive Brokers Group, Inc. and Subsidiaries

Notes to Unaudited Condensed Consolidated Financials Statements (Continued)

(dollars in thousands, except shares and per share amounts, unless otherwise noted)

Market Risk

IBG, Inc. is exposed to various market risks. Exposures to market risks arise from equity price risk, foreign currency exchange rate fluctuations and changes in interest rates. IBG, Inc. seeks to mitigate market risk associated with trading inventories by employing hedging strategies that correlate rate, price and spread movements of trading inventories and related financing and hedging activities. IBG, Inc. uses a combination of cash instruments and exchange traded derivatives to hedge its market exposures. The following discussion describes the types of market risk faced:

Equity Price Risk

Equity price risk arises from the possibility that equity security prices will fluctuate, affecting the value of equity securities and other instruments that derive their value from a particular stock, a defined basket of stocks, or a stock index. IBG, Inc. is subject to equity price risk primarily in securities owned and securities sold but not yet purchased. IBG, Inc. attempts to limit such risks by continuously reevaluating prices and by diversifying its portfolio across many different options, futures and underlying securities and avoiding concentrations of positions based on the same underlying security.

Currency Risk

Currency risk arises from the possibility that fluctuations in foreign exchange rates will impact the value of financial instruments. Exchange rate contracts may include cross-currency swaps and currency futures contracts. Currency swaps are agreements to exchange future payments in one currency for payments in another currency. These agreements are used to effectively convert assets or liabilities denominated in different currencies. Currency futures are contracts for delayed delivery of currency at a specified future date. IBG, Inc. uses currency swaps to manage the levels of its non-U.S. dollar currency balances and currency cash and futures markets to hedge its global exposure.

Interest Rate Risk

Interest rate risk arises from the possibility that changes in interest rates will affect the value of financial instruments. IBG, Inc. is exposed to interest rate risk on cash and margin balances, positions carried in equity securities, options and futures and on its debt obligations. These risks are managed through investment policies and by entering into interest rate futures contracts.

Credit Risk

IBG, Inc. is exposed to risk of loss if an individual, counterparty or issuer fails to perform its obligations under contractual terms (“default risk”). Both cash instruments and derivatives expose IBG, Inc. to default risk. IBG, Inc. has established policies and procedures for mitigating credit risk on principal transactions, including reviewing and establishing limits for credit exposure, maintaining collateral, and continually assessing the creditworthiness of counterparties.

The Company’s credit risk is limited in that substantially all of the contracts entered into are settled directly at securities and commodities clearing houses and a small portion is settled through member firms and banks with substantial financial and operational resources.

In the normal course of business, IBG, Inc. executes, settles and finances various customer securities transactions. Execution of these transactions includes the purchase and sale of securities by IBG, Inc. that exposes IBG, Inc. to default risk arising from the potential that customers or counterparties may fail to satisfy their obligations. In these situations, IBG, Inc. may be required to purchase or sell financial instruments at unfavorable market prices to satisfy obligations to customers or counterparties. IBG, Inc. seeks to control the risks associated with its customer margin activities by requiring customers to maintain collateral in compliance with regulatory and internal guidelines.

Liabilities to other brokers and dealers related to unsettled transactions (i.e., securities failed-to-receive) are recorded at the amount for which the securities were purchased, and are paid upon receipt of the securities from other brokers or dealers. In the case of aged securities failed-to-receive, IBG, Inc. may purchase the underlying security in the market and seek reimbursement for any losses from the counterparty.

For cash management purposes, IBG, Inc. enters into short-term securities purchased under agreements to resell and securities sold under agreements to repurchase transactions (“repos”) in addition to securities borrowing and lending arrangements, all of which may result in credit exposure in the event the counterparty to a transaction is unable to fulfill its contractual obligations. In accordance with industry practice, repos are collateralized by securities with a market value in excess of the obligation under the contract. Similarly, securities borrowed and loaned agreements are collateralized by deposits of cash or securities. IBG, Inc. attempts to minimize credit risk associated with these activities by monitoring collateral values on a daily basis and requiring additional

Interactive Brokers Group, Inc. and Subsidiaries

Notes to Unaudited Condensed Consolidated Financials Statements (Continued)

(dollars in thousands, except shares and per share amounts, unless otherwise noted)

collateral to be deposited with or returned to IBG, Inc. as permitted under contractual provisions.

Concentrations of Credit Risk

IBG, Inc.’s exposure to credit risk associated with its trading and other activities is measured on an individual counterparty basis, as well as by groups of counterparties that share similar attributes. Concentrations of credit risk can be affected by changes in political, industry, or economic factors. To reduce the potential for risk concentration, credit limits are established and exposure is monitored in light of changing counterparty and market conditions. As of September 30, 2010, the Company did not have any material concentrations of credit risk.

Off-Balance Sheet Risks

IBG, Inc. may be exposed to a risk of loss not reflected in the unaudited condensed consolidated financial statements for futures products, which represent obligations of IBG, Inc. to settle at contracted prices, which may require repurchase or sale in the market at prevailing prices. Accordingly, these transactions result in off-balance sheet risk as IBG, Inc.’s cost to liquidate such futures contracts may exceed the amounts reported in IBG, Inc.’s unaudited condensed consolidated statements of financial condition.

4. Equity and Earnings Per Share

In connection with its initial public offering (“IPO”) in May 2007, IBG, Inc. purchased 10.0% of the membership interests in IBG LLC from IBG Holdings LLC, became the sole managing member of IBG LLC and began to consolidate IBG LLC’s financial results into its financial statements. IBG Holdings LLC wholly owns all Class B common stock, which common stock has voting rights in proportion to its ownership interests in IBG LLC, approximately 89.2% as of September 30, 2010. The unaudited condensed consolidated financial statements report the financial position, results of operations and cash flows of IBG, Inc., including consolidation of its investment in IBG LLC from May 4, 2007, and IBG Holdings LLC’s ownership interests in IBG LLC, which interests are reported as non-controlling interests.

Recapitalization and Post-IPO Capital Structure

Immediately prior to and immediately following the consummation of the IPO, IBG, Inc., IBG Holdings LLC, IBG LLC and the members of IBG LLC consummated a series of transactions collectively referred to herein as the “Recapitalization.” In connection with the Recapitalization, IBG, Inc., IBG Holdings LLC and the historical members of IBG LLC entered into an exchange agreement, dated as of May 3, 2007 (the “Exchange Agreement”), pursuant to which the historical members of IBG LLC received membership interests in IBG Holdings LLC in exchange for their membership interests in IBG LLC. Additionally, IBG, Inc. became the sole managing member of IBG LLC.

In connection with the consummation of the IPO, IBG Holdings LLC used the net proceeds to redeem 10.0% of members’ interests in IBG Holdings LLC in proportion to their interests. Immediately following the Recapitalization and IPO, IBG Holdings LLC owned approximately 90% of IBG LLC and 100% of IBG, Inc.’s Class B common stock, which has voting power in IBG, Inc. proportionate to the extent of IBG Holdings LLC’s ownership of IBG LLC.

The Exchange Agreement also provides for future redemptions of member interests and for the purchase of member interests in IBG LLC by IBG, Inc. from IBG Holdings LLC, which could result in IBG, Inc. acquiring the remaining member interests in IBG LLC that it does not own. On an annual basis, holders of IBG Holdings LLC member interests are able to request redemption of such member interests over a minimum eight (8) year period following the IPO; 12.5% annually for seven (7) years and 2.5% in the eighth year.

Redemptions may be funded through two (2) methods. Material redemptions would be funded from the proceeds of sales of additional shares of Common Stock, although there have been no such additional sales of Common Stock through September 30, 2010. Three hundred sixty (360) million shares of authorized Common Stock were reserved for such future sales.

Interactive Brokers Group, Inc. and Subsidiaries

Notes to Unaudited Condensed Consolidated Financials Statements (Continued)

(dollars in thousands, except shares and per share amounts, unless otherwise noted)

In lieu of a sale of Common Stock, the Exchange Agreement provides that IBG LLC, using its available liquidity, may facilitate the redemption by IBG Holdings LLC of interests held by its members. Subsequent to the IPO, and with the consent of IBG Holdings LLC and IBG, Inc. (on its own behalf and acting as the sole managing member of IBG LLC), IBG LLC agreed to redeem membership interests from IBG Holdings LLC as follows:

			Price per Equivalent
	Fair Value		Class A Share
2008	$	72,015	$	29.99
2009		14,738		14.85
2010		27,204		16.80

As a consequence of these transactions, and distribution of shares to employees (Note 8), IBG, Inc.’s interest in IBG LLC has increased to approximately 10.8%, with IBG Holdings LLC owning the remaining 89.2% as of September 30, 2010. The redemptions also resulted in an increase in the IBG Holdings LLC interest held by Thomas Peterffy and his affiliates from approximately 84.6% at the IPO to approximately 85.8% at September 30, 2010.

Since consummation of the IPO and Recapitalization, IBG, Inc.’s equity capital structure has been comprised of Class A and Class B common stock. All shares of common stock have a par value of $0.01 per share and have identical rights to earnings and dividends and in liquidation. As described previously in this Note 4, Class B common stock has voting power in IBG, Inc. proportionate to the extent of IBG Holdings LLC’s ownership of IBG LLC. At September 30, 2010 and December 31, 2009, 1,000,000,000 shares of Class A common stock were authorized, of which 47,784,286 shares have been issued; and 42,222,349 and 41,216,779 shares were outstanding, respectively. Class B common stock is comprised of 100 authorized shares, of which 100 shares were issued and outstanding as of September 30, 2010 and December 31, 2009, respectively. In addition, 10,000 shares of preferred stock have been authorized, of which no shares are issued or outstanding as of September 30, 2010 and December 31, 2009, respectively.

As a result of a federal income tax election made by IBG LLC applicable to the acquisition of IBG LLC member interests by IBG, Inc. the income tax basis of the assets of IBG LLC acquired by IBG, Inc. have been adjusted based on the amount paid for such interests. A deferred tax asset of $380,785 was recorded as of the IPO date, which deferred tax asset is a component of Other Assets in the unaudited condensed consolidated statement of financial condition and is being amortized as additional deferred income tax expense over 15 years, as allowable under current tax law. As of September 30, 2010 and December 31, 2009, the unamortized balance of the deferred tax asset was $318,497 and $333,304, respectively. IBG, Inc. also entered into an agreement (the “Tax Receivable Agreement”) with IBG Holdings LLC to pay IBG Holdings LLC (for the benefit of the former members of IBG LLC) 85% of the tax savings that IBG, Inc. actually realizes as the result of the tax basis increase. As of the IPO date, a payable to IBG Holdings LLC of $323,668 was recorded by IBG, Inc. and is reported as Payable to Affiliate in the unaudited condensed consolidated statement of financial condition. Amounts payable under the Tax Receivable Agreement are subject to repayment to IBG Holdings LLC annually upon the filing of IBG, Inc.’s federal income tax return. The remaining 15%, $57,117, was accounted for as a permanent increase to additional paid-in capital in the unaudited condensed consolidated statement of financial condition. The Company paid IBG Holdings LLC $14,788 and $9,898 in December 2009 and 2008, respectively, pursuant to the terms of the Tax Receivable Agreement.

Interactive Brokers Group, Inc. and Subsidiaries

Notes to Unaudited Condensed Consolidated Financials Statements (Continued)

(dollars in thousands, except shares and per share amounts, unless otherwise noted)

Earnings per Share

Basic earnings per share are calculated utilizing net income available for common stockholders divided by the weighted average number of shares of Class A and Class B common stock outstanding for that period:

			Three months ended		Nine months ended
			September 30,		September 30,
			2010	2009	2010	2009
Basic earnings per share:

	Net income available for common stockholders		$ 11,036	$ 8,410	$ 18,767	$ 33,850

	Weighted average shares of common stock outstanding:
		Class A	42,222,349	41,214,498	41,750,873	40,891,741
		Class B	100	100	100	100
			42,222,449	41,214,598	41,750,973	40,891,841

	Basic earnings per share		$ 0.26	$ 0.20	$ 0.45	$ 0.83

Diluted earnings per share are calculated utilizing the Company’s basic net income available for common stockholders divided by diluted weighted average shares outstanding with no adjustments to net income available to common stockholders for dilutive potential common shares:

					Three months ended		Nine months ended
					September 30,		September 30,
					2010	2009	2010	2009
Diluted earnings per share:
	Net income available for common stockholders - basic				$ 11,036	$ 8,410	$ 18,767	$ 33,850
	Adjustments for potentially dilutive common shares				-	-	-	-

	Net income available for common stockholders				$ 11,036	$ 8,410	$ 18,767	$ 33,850

	Weighted average shares of common stock outstanding:
		Class A:
			Issued and outstanding		42,222,349	41,214,498	41,750,873	40,891,741
			Potentially dilutive common shares:
				Issuable pursuant to 2007 ROI Unit Stock Plan	562,350	758,920	650,334	848,888
		Class B			100	100	100	100
					42,784,799	41,973,518	42,401,307	41,740,729

	Diluted earnings per share				$ 0.26	$ 0.20	$ 0.44	$ 0.81

Interactive Brokers Group, Inc. and Subsidiaries

Notes to Unaudited Condensed Consolidated Financials Statements (Continued)

(dollars in thousands, except shares and per share amounts, unless otherwise noted)

5. Fair Value

The following tables set forth, by level within the fair value hierarchy (Note 2), financial assets and liabilities, primarily financial instruments owned and financial instruments sold, but not yet purchased, at fair value as of September 30, 2010 and December 31, 2009. As required by ASC 820, assets and liabilities are classified in their entirety based on the lowest level of input that is significant to the fair value measurement.

		Financial Assets At Fair Value as of September 30, 2010

			Level 1	Level 2	Level 3	Total

Securities segregated for regulatory purposes			$ -	$ 441,054	$ -	$ 441,054
Financial instruments owned:
	Stocks		3,980,366	-	-	3,980,366
	Options		4,441,182	143	-	4,441,325
	U.S. and foreign government obligations		531,293	-	-	531,293
	Warrants		114,537	-	-	114,537
	Corporate and municipal bonds		54,593	49,835	-	104,428
	Discount certificates		41,254	-	-	41,254
			9,163,225	49,978	-	9,213,203

Other assets - investments in common stock			-	6,644	-	6,644

			$ 9,163,225	$ 497,676	$ -	$ 9,660,901

		Financial Liabilities At Fair Value as of September 30, 2010

			Level 1	Level 2	Level 3	Total
Financial instruments sold, not yet purchased:
	Stocks		$ 3,805,466	$ -	$ -	$ 3,805,466
	Options		4,426,819	-	-	4,426,819
	Corporate bonds		51,715	47,351	-	99,066
	Currency forward contracts		-	9,027	-	9,027
			$ 8,284,000	$ 56,378	$ -	$ 8,340,378

Interactive Brokers Group, Inc. and Subsidiaries

Notes to Unaudited Condensed Consolidated Financials Statements (Continued)

(dollars in thousands, except shares and per share amounts, unless otherwise noted)

		Financial Assets At Fair Value as of December 31, 2009

			Level 1	Level 2	Level 3	Total

Securities segregated for regulatory purposes			$ -	$ 441,391	$ -	$ 441,391
	Financial instruments owned:
	Stocks		4,052,636	-	-	4,052,636
	Options		4,717,693	-	-	4,717,693
	U.S. and foreign government obligations		358,489	-	-	358,489
	Warrants		88,093	-	-	88,093
	Corporate bonds		54,157	26,393	-	80,550
	Discount certificates		46,521	-	-	46,521
			9,317,589	26,393	-	9,343,982

			$ 9,317,589	$ 467,784	$ -	$ 9,785,373

		Financial Liabilities At Fair Value as of December 31, 2009

			Level 1	Level 2	Level 3	Total
Financial instruments sold, not yet purchased:
	Stocks		$ 4,349,918	$ -	$ -	$ 4,349,918
	Options		4,336,625	-	-	4,336,625
	Corporate bonds		41,010	35,022	-	76,032
	Currency forward contracts		-	626	-	626
			$ 8,727,553	$ 35,648	$ -	$ 8,763,201

6. Senior Secured Revolving Credit Facility

On May 18, 2010, IBG LLC entered into a $100 million two-year senior secured revolving credit facility with Bank of America, N.A. as administrative agent and Citibank, N.A., as syndication agent. IBG LLC is the sole borrower under this credit facility. The facility’s interest rate is indexed to the overnight federal funds rate or to the LIBOR rate for the relevant term, at the borrower’s option, and is secured by a first priority interest in all of the capital stock of each entity owned directly by IBG LLC (subject to customary limitations with respect to foreign subsidiaries). The facility may be used to finance working capital needs and general corporate purposes, including downstreaming funds to IBG LLC’s regulated broker-dealer subsidiaries as regulatory capital. This allows IBG LLC to take advantage of market opportunities when they arise, while maintaining substantial excess regulatory capital. The financial covenants contained in this credit facility are as follows:

minimum consolidated shareholders' equity, as defined, of $3.625 billion, with quarterly increases equal to 25% of positive consolidated net income;

maximum total debt to capitalization ratio of 30%;

minimum liquidity ratio of 1.0 to 1.0; and

maximum total debt to net regulatory capital ratio of 35%.

At maturity, subject to meeting certain terms of the facility, the Company will have an option to convert the facility to a one-year term loan. At September 30, 2010, no borrowings were outstanding under this credit facility and IBG LLC was in compliance with all of the covenants. This credit facility replaced a $100 million senior secured revolving credit facility that matured on May 19, 2010.

Interactive Brokers Group, Inc. and Subsidiaries

Notes to Unaudited Condensed Consolidated Financials Statements (Continued)

(dollars in thousands, except shares and per share amounts, unless otherwise noted)

7. Senior Notes Payable

At September 30, 2010 and December 31, 2009, IBG LLC had $219,632 and $205,777, respectively, of senior notes outstanding. All senior notes outstanding at December 31, 2009 carried a 7% per annum interest rate. Senior notes issued during and subsequent to September 2010 have a 5% per annum interest rate. $174,226 of the senior notes outstanding at September 30, 2010 were 7% notes and $45,406 were 5% notes. All senior notes have either a 15-month or an 18-month maturity. IBG LLC may, solely at its option, redeem the senior notes at any time on or after a specified date in the third month or the sixth month, respectively, after the date on which the senior notes are issued and sold, at a redemption price equal to 100% of the principal amount of the senior notes to be redeemed plus accrued interest.

8. Employee Incentive Plans

Return on Investment Dollar Units (“ROI Dollar Units”)

From 1998 through January 1, 2006, IBG LLC granted all non-member employees ROI Dollar Units, which are redeemable under the amended provisions of the plan, and in accordance with regulations issued by the Internal Revenue Service (Section 409A of the Internal Revenue Code). Upon redemption, the grantee is entitled to accumulated earnings on the face value of the certificate, but not the actual face value. For grants made in 1998 and 1999, grantees may redeem the ROI Dollar Units after vesting on the fifth anniversary of the date of their grant and prior to the tenth anniversary of the date of their grant. For grants made between January 1, 2000 and January 1, 2005, grantees must elect to redeem the ROI Dollar Units upon the fifth, seventh or tenth anniversary date. These ROI Dollar Units will vest upon the fifth anniversary of the date of their grant and will continue to accumulate earnings until the elected redemption date. For grants made on or after January 1, 2006, all ROI Dollar Units shall vest on the fifth anniversary date of their grant and will be automatically redeemed. Subsequent to the IPO, no additional ROI Dollar Units have been or will be granted, and non-cash compensation to employees will consist primarily of grants of shares of Common Stock as described below under “2007 Stock Incentive Plan.”

As of September 30, 2010 and December 31, 2009, payables to employees for ROI Dollar Units were $16,404 and $22,276, respectively. Of these payable amounts, $4,613 and $6,633 were vested as of September 30, 2010 and December 31, 2009, respectively. These amounts are included in accounts payable, accrued expenses and other liabilities in the unaudited condensed consolidated statements of financial condition. Compensation expense for the ROI Dollar Unit plan, included in the unaudited condensed consolidated statements of income was $1,103, and $3,628 for the nine months ended September 30, 2010 and 2009, respectively.

2007 ROI Unit Stock Plan

In connection with the IPO, IBG, Inc. adopted the Interactive Brokers Group, Inc. 2007 ROI Unit Stock Plan (the “ROI Unit Stock Plan”). Under this plan, certain employees of the Group who held ROI Dollar Units, at the employee’s option, elected to invest their ROI Dollar Unit accumulated earnings as of December 31, 2006 in shares of Common Stock. An aggregate of 1,271,009 shares of Common Stock (consisting of 1,250,000 shares issued under the ROI Unit Stock Plan and 21,009 shares under the 2007 Stock Incentive Plan, as described below), with a fair value at the date of grant of $38,143, were issued to IBG LLC, to be held as Treasury stock, to be distributed to employees in accordance with the following schedule, subject to the conditions below:

10% on the date of the IPO (or on the first anniversary of the IPO, in the case of U.S. ROI Unit holders who made the above-referenced elections after December 31, 2006); and

an additional 15% on each of the first six anniversaries of the date of the IPO, assuming continued employment with IBG, Inc. and compliance with other applicable covenants.

Of the fair value at the date of grant, $17,806 represented the accumulated ROI Dollar Unit value elected to be invested by employees in Common Stock and such amount was accrued for as of December 31, 2006. The remainder is being ratably accrued as compensation expense by the Group from the date of the IPO over the requisite service period represented by the aforementioned distribution schedule. Compensation expense for the 2007 ROI Unit Stock Plan and related grants under the 2007 Stock Incentive Plan, net of the effect of forfeitures, included in the unaudited condensed consolidated statements of income for the nine months ended September 30, 2010 and 2009 was $2,564 and $2,791, respectively. Estimated future compensation costs for granted awards at September 30, 2010 were $9.9 million.

Interactive Brokers Group, Inc. and Subsidiaries

Notes to Unaudited Condensed Consolidated Financials Statements (Continued)

(dollars in thousands, except shares and per share amounts, unless otherwise noted)

2007 Stock Incentive Plan

Under the Interactive Brokers Group, Inc. 2007 Stock Incentive Plan (the “Stock Incentive Plan”), up to 9.2 million shares of Common Stock may be granted and issued to directors, officers, employees, contractors and consultants of IBG, Inc. and its subsidiaries. The purpose of the Stock Incentive Plan is to promote IBG, Inc.’s long-term financial success by attracting, retaining and rewarding eligible participants.

The Stock Incentive Plan is administered by the Compensation Committee of IBG, Inc.’s Board of Directors. The Compensation Committee has discretionary authority to determine which employees are eligible to participate in the Stock Incentive Plan and establishes the terms and conditions of the awards, including the number of awards granted to each employee and all other terms and conditions applicable to such awards in individual grant agreements. Awards are expected to be made primarily through grants of Common Stock. Stock Incentive Plan awards are subject to issuance over time and may be forfeited upon an employee’s termination of employment or violation of certain applicable covenants prior to issuance, unless determined otherwise by the Compensation Committee.

The Stock Incentive Plan provides that, upon a change in control, the Compensation Committee may, at its discretion, fully vest any granted but unissued shares of Common Stock awarded under the Stock Incentive Plan, or provide that any such granted but unissued shares of Common Stock will be honored or assumed, or new rights substituted therefore by the new employer on a substantially similar basis and on terms and conditions substantially comparable to those of the Stock Incentive Plan.

IBG, Inc. granted awards of Common Stock in connection with the IPO and is expected to continue to grant awards on or about December 31 of each year following the IPO, to eligible employees as part of an overall plan of equity compensation. Shares of Common Stock granted are issued to IBG LLC, to be held as Treasury Stock, and are distributable to employees in accordance with the following schedule:

10% on the date of the IPO; and

an additional 15% on each of the first six anniversaries of the date of the IPO, assuming continued employment with IBG, Inc. and compliance with non-competition and other applicable covenants.

Of the fair value at the date of grant, $14,674 represented compensation accrued as of December 31, 2006 to former members of IBG LLC, with the remainder to be ratably accrued as compensation expense by the Group from the date of the IPO over the requisite service period represented by the aforementioned distribution schedule.

Shares granted to directors vest, and are distributed, over a five-year period (20% per year) commencing one year after the date of grant.

Stock Incentive Plan share grants (excluding 21,009 shares issued pursuant to the 2007 ROI Unit Stock Plan above) and the related fair values at the date of grant were:

		Fair Value at
		Date of Grant
	Shares	($000's)

In connection with IPO	927,943	$ 27,847
July 31, 2007	16,665	404
December 31, 2007	1,055,206	32,876
December 31, 2008	2,065,432	35,600
December 31, 2009	2,448,031	42,796
	6,513,277	$ 139,523

Interactive Brokers Group, Inc. and Subsidiaries

Notes to Unaudited Condensed Consolidated Financials Statements (Continued)

(dollars in thousands, except shares and per share amounts, unless otherwise noted)

Total share distributions under the SIP and ROI Unit Stock Plan have been as follows:

			Shares sold by
			employees to
		Fair Value at	meet
		Date of Grant	withholding
	Total Shares	($000's)	obligations

In connection with IPO	189,617	$ 5,681	45,857
May 9, 2008	458,655	13,881	121,852
May 11, 2009	680,164	17,898	175,362
May 9, 2010	1,005,570	23,501	265,971

During the third quarter of 2007, the 45,857 shares sold by employees, at their election, in order to meet their personal income tax obligations incurred as a result IPO share distributions were purchased by IBG, Inc. and were recorded as Treasury Stock. Subsequent elective open market employee sales upon share distributions have been facilitated by the Company.

The following is a summary of Stock Plan activity for the period from January 1, 2010 through September 30, 2010:

	Shares
	2007 Stock		2007 ROI Unit
	Incentive Plan		Stock Plan

Balance, December 31, 2009	5,641,054		733,562

Granted	-		-
Forfeited	(44,273	)	(2,179	)
Distributed	(820,923	)	(184,647	)
Balance, September 30, 2010	4,775,858		546,736

Estimated future grants under the Stock Incentive Plan are being accrued for ratably during each year under the ASC 718 “Graded Vesting” method. Compensation expense recognized in the unaudited condensed consolidated statements of income for the nine months ended September 30, 2010 and 2009 was $27,621 and $20,987, respectively. Estimated future compensation costs for granted awards at September 30, 2010 were $43.4 million.

Shares granted under the 2007 ROI Unit Stock Plan and the Stock Incentive Plan are subject to forfeiture in the event an employee ceases employment with the Company. The plans provide that employees who discontinue employment with the Company without cause and continue to meet the terms of the plans’ post-employment provisions will forfeit 50% of unvested previously granted shares unless the employee is over the age of 59, in which case the employee would be eligible to receive 100% of unvested shares previously granted.

9. Commitments, Contingencies and Guarantees

Litigation

IBG, Inc. is subject to certain pending and threatened legal actions which arise out of the normal course of business. Litigation is inherently unpredictable, particularly in proceedings where claimants seek substantial or indeterminate damages, or which are in their early stages. IBG, Inc. cannot predict with certainty the actual loss or range of loss related to such legal proceedings, the manner in which they will be resolved, the timing of final resolution or the ultimate settlement. Consequently, IBG, Inc. cannot estimate losses or ranges of losses related to such legal matters, even in instances where it is reasonably possible that a future loss will be incurred. Although the results of legal actions cannot be predicted with certainty, it is the opinion of management that the resolution of these actions is not expected to have a material adverse effect, if any, on our business or financial condition, but may have a material impact on the results of operations for a given period.

Interactive Brokers Group, Inc. and Subsidiaries

Notes to Unaudited Condensed Consolidated Financials Statements (Continued)

(dollars in thousands, except shares and per share amounts, unless otherwise noted)

IBG, Inc. accounts for potential losses related to litigation in accordance with ASC 450, Contingencies. As of September 30, 2010 and December 31, 2009, reserves provided for potential losses related to litigation matters were not material.

Guarantees

Certain of the Operating Companies provide guarantees to securities clearing houses and exchanges which meet the accounting definition of a guarantee under ASC 460, Guarantees. Under the standard membership agreement, members are required to guarantee collectively the performance of other members. Under the agreements, if another member becomes unable to satisfy its obligations to the clearinghouse, other members would be required to meet shortfalls. In the opinion of management, the Operating Companies’ liability under these arrangements is not quantifiable and could exceed the cash and securities they have posted as collateral. However, the potential for these Operating Companies to be required to make payments under these arrangements is remote. Accordingly, no contingent liability is carried on the unaudited condensed consolidated statements of financial condition for these arrangements.

In connection with its retail brokerage business, IB LLC performs securities and commodities execution, clearance and settlement on behalf of its customers for whom it commits to settle trades submitted by such customers with the respective clearing houses. If a customer fails to fulfill its obligation, IB LLC must fulfill the customer’s obligation with the trade counterparty. No contingent liability is carried on the unaudited condensed consolidated statements of financial condition for such customer obligations.

Other Commitments

Certain clearing houses and clearing banks and firms used by certain Operating Companies are given a security interest in certain assets of those Operating Companies held by those clearing organizations. These assets may be applied to satisfy the obligations of those Operating Companies to the respective clearing organizations.

10. Segment and Geographic Information

IBG, Inc. operates in two business segments, market making and electronic brokerage. IBG, Inc. conducts its market making business principally through its Timber Hill subsidiaries on the world’s leading exchanges and market centers, primarily in exchange-traded equities, equity options and equity-index options and futures. IBG, Inc. conducts its electronic brokerage business through its Interactive Brokers subsidiaries, which provide electronic execution and clearing services to customers worldwide.

There are significant transactions and balances between the Operating Companies, primarily as a result of certain Operating Companies holding exchange or clearing organization memberships, which are utilized to provide execution and clearing services to affiliates. Intra-segment and intra-region income and expenses and related balances have been eliminated in this segment and geographic information in order to accurately reflect the external business conducted in each segment or geographical region. Rates on transactions between segments are designed to approximate full costs. Corporate items include non-allocated corporate income and expenses that are not attributed to segments for performance measurement, corporate assets and eliminations.

Management believes that the following information by business segment provides a reasonable representation of each segment’s contribution to total net revenues and income before income taxes for the three and nine months ended September 30, 2010 and 2009 and to total assets as of September 30, 2010 and December 31, 2009:

Interactive Brokers Group, Inc. and Subsidiaries

Notes to Unaudited Condensed Consolidated Financials Statements (Continued)

(dollars in thousands, except shares and per share amounts, unless otherwise noted)

		Three months ended						Nine months ended
		September 30,						September 30,
		2010			2009			2010			2009
Net revenues:
Market making	$	170,739		$	150,182		$	335,164		$	551,117
Electronic brokerage		129,368			121,486			401,141			349,267
Corporate and eliminations		(969	)		(176	)		(461	)		(453	)
Total net revenues	$	299,138		$	271,492		$	735,844		$	899,931

Income before income taxes:
Market making	$	103,987		$	74,605		$	113,332		$	334,329
Electronic brokerage		63,484			62,090			200,180			169,623
Corporate and eliminations		(5,551	)		(3,428	)		(14,603	)		(11,630	)
Total income before income taxes	$	161,920		$	133,267		$	298,909		$	492,322


		September 30,			December 31,
		2010			2009
Segment assets:
Market making	$	17,564,273		$	17,708,334
Electronic brokerage		15,502,289			12,289,387
Corporate and eliminations		(3,406,135	)		(3,392,170	)
Total assets	$	29,660,427		$	26,605,551

IBG, Inc. operates its automated global business in U.S. and international markets on more than 80 exchanges and market centers. A significant portion of IBG, Inc.’s net revenues are generated by subsidiaries operating outside the United States. International operations are comprised of market making and electronic brokerage activities in 26 countries in Europe, Asia and North America (outside the United States). The following table presents total net revenues and income before income taxes by geographic area for the three and nine months ended September 30, 2010 and 2009:

		Three months ended						Nine months ended
		September 30,						September 30,
		2010			2009			2010			2009
Net revenues:
United States	$	229,496		$	209,104		$	573,428		$	612,925
International		73,423			62,458			166,054			287,408
Corporate and eliminations		(3,781	)		(70	)		(3,638	)		(402	)
Total net revenues	$	299,138		$	271,492		$	735,844		$	899,931

Income before income taxes:
United States	$	147,317		$	124,446		$	311,445		$	362,293
International		22,779			12,208			5,072			141,649
Corporate and eliminations		(8,176	)		(3,387	)		(17,608	)		(11,620	)
Total income before income taxes	$	161,920		$	133,267		$	298,909		$	492,322

Interactive Brokers Group, Inc. and Subsidiaries

Notes to Unaudited Condensed Consolidated Financials Statements (Continued)

(dollars in thousands, except shares and per share amounts, unless otherwise noted)

11. Regulatory Requirements

At September 30, 2010, aggregate excess regulatory capital for all of the Operating Companies was $3,394,488.

TH LLC and IB LLC are subject to the Uniform Net Capital Rule (Rule 15c3-1) under the Exchange Act and the CFTC’s minimum financial requirements (Regulation 1.17). At September 30, 2010, TH LLC had net capital of $901,342, which was $858,519 in excess of required net capital of $42,823, and IB LLC had net capital of $1,077,689, which was $944,509 in excess of required net capital of $133,180.

THE is subject to the Swiss Financial Market Supervisory Authority eligible equity requirement. At September 30, 2010, THE had eligible equity of $1,588,334, which was $1,233,960 in excess of the minimum requirement of $354,374.

THSHK is subject to the Hong Kong Securities Futures Commission liquid capital requirement, THA is subject to the Australian Stock Exchange liquid capital requirement, THC and IBC are subject to the Investment Industry Regulatory Organization of Canada risk adjusted capital requirement, IBUK is subject to the U.K. Financial Services Authority financial resources requirement, IBI is subject to the National Stock Exchange of India net capital requirements and IBSJ is subject to the Japanese Financial Supervisory Agency capital requirements.

At September 30, 2010, all of the Operating Companies were in compliance with their respective regulatory capital requirements.

Regulatory capital requirements could restrict the Operating Companies from expanding their business and declaring dividends if their net capital does not meet regulatory requirements. Also, certain entities within IBG, Inc. are subject to other regulatory restrictions and requirements.

12. Related Party Transactions

Receivable from affiliate represents amounts advanced to IBG Holdings LLC and payable to affiliate represents amounts payable to IBG Holdings LLC under the Tax Receivable Agreement (Note 4).

Included in receivable from customers in the accompanying unaudited condensed consolidated statement of financial condition as of September 30, 2010 and December 31, 2009 were account receivables from directors, officers and their affiliates of $53 and $7,136, respectively. Included in payable to customers in the accompanying unaudited condensed consolidated statements of financial condition as of September 30, 2010 and December 31, 2009 were payables to directors, officers and their affiliates of $227,079 and $123,689, respectively. Included in senior notes payable at September 30, 2010 and December 31, 2009 were senior notes purchased by directors and their affiliates of $13,507 and $15,210, respectively.

13. Subsequent Events

As required by ASC 855-10-50, the Company has evaluated subsequent events for adjustment to or disclosure in its unaudited condensed consolidated financial statements through November 8, 2010, the date the unaudited condensed consolidated financial statements were issued. No recordable or disclosable events occurred through this date.

*****

ITEM 2. MANAGEMENT’S DISCUSSION AND ANALYSIS OF FINANCIAL CONDITION AND RESULTS OF OPERATIONS

The following discussion should be read in conjunction with the unaudited condensed consolidated financial statements and the related notes in Item 1, included elsewhere in this report. In addition to historical information, the following discussion also contains forward-looking statements that include risks and uncertainties. Our actual results may differ materially from those anticipated in these forward-looking statements as a result of certain factors, including those set forth under the heading “Risk Factors” in our Annual Report on Form 10-K filed with the SEC on February 26, 2010 and elsewhere in this report.

Introduction

IBG, Inc. is a holding company whose primary asset is ownership of approximately 10.8% of the membership interests of the Group.

We are an automated global electronic market maker and broker specializing in routing orders and executing and processing trades in securities, futures and foreign exchange instruments on more than 80 electronic exchanges and trading venues around the world. Since our inception in 1977, we have focused on developing proprietary software to automate broker-dealer functions. The advent of electronic exchanges in the last 20 years has provided us with the opportunity to integrate our software with an increasing number of exchanges and trading venues into one automatically functioning, computerized platform that requires minimal human intervention.

Business Segments

The Company reports its results in two business segments, market making and electronic brokerage. These segments are analyzed separately as we derive our revenues from these two principal business activities as well as allocate resources and assess performance.

Market Making. We conduct our market making business through our Timber Hill subsidiaries. As one of the largest market makers on many of the world’s leading exchanges, we provide liquidity by offering competitively tight bid/offer spreads over a broad base of over 610,000 tradable, exchange-listed products. As principal, we commit our own capital and derive revenues or incur losses from the difference between the price paid when securities are bought and the price received when those securities are sold. Because we provide continuous bid and offer quotations and we are continuously both buying and selling quoted securities, we may have either a long or a short position in a particular product at a given point in time. Our entire portfolio is evaluated each second and continuously rebalanced throughout the trading day, minimizing the risk of our portfolio at all times. This real-time rebalancing of our portfolio, together with our real-time proprietary risk management system, enables us to curtail risk and to be profitable in both up-market and down-market scenarios.

Electronic Brokerage. We conduct our electronic brokerage business through our Interactive Brokers (“IB”) subsidiaries. As an electronic broker, we execute, clear and settle trades globally for both institutional and individual customers. Capitalizing on the technology originally developed for our market making business, IB’s systems provide our customers with the capability to monitor multiple markets around the world simultaneously and to execute trades electronically in these markets at a low cost, in multiple products and currencies from a single trading account. We offer our customers access to all classes of tradable, exchange-listed products, including stocks, bonds, options, futures, forex and mutual funds traded on more than 80 exchanges and market centers and in 19 countries around the world seamlessly.

When we use the terms “we,” “us,” and “our,” we mean IBG, Inc. and its subsidiaries for the periods presented.

Executive Overview

Third Quarter Results: Diluted earnings per share were $0.26 for the three months ended September 30, 2010, 30% higher than the $0.20 earned for the three months ended September 30, 2009.

Consolidated: For the three months ended September 30, 2010, our net revenues were $299.1 million and income before income taxes was $161.9 million, compared to net revenues of $271.5 million and income before income taxes of $133.1 million for the same period in 2009. Trading gains increased 9% in the three months ended September 30, 2010, compared to the same period last year due, in part, to currency translation gains resulting from our policy of maintaining our equity in proportion to a basket of major currencies we call the GLOBAL. Commissions and execution fees increased by 1% on increased customer trading activity for the same time period. Net interest income increased 78% in the three months ended September 30, 2010, compared to the same period last year driven by increases in customer cash balances and fully secured margin borrowings. Our pre-tax margin for the three months ended September 30, 2010 was 54%, compared to 49% for the same period in 2009.

Market Making: During the three months ended September 30, 2010, income before income taxes in our market making segment increased 39%, compared with the same period in 2009. This was driven by currency fluctuations, which had a positive impact on our trading gains. However, during the third quarter of 2010, bid/offer spreads contracted and the ratio of actual to implied volatility

decreased as compared to the second quarter of 2010, resulting in a difficult trading environment. Execution and clearing expenses were lower, due to the expansion of the maker-taker pricing model on U.S. options exchanges. As a market maker under the maker-taker pricing model we are paid for providing liquidity instead of being charged payment for order flow (“PFOF”) fees. Pre-tax margin increased to 61% in the third quarter of 2010 compared to 50% in the same period of 2009.

We actively manage our global currency exposure by maintaining our equity in proportion to a defined basket of major currencies. Roughly half of our equity is denominated in currencies other than U.S. dollars. The U.S. dollar’s weakening relative to other key currencies during this quarter had an estimated $44 million positive effect on our market making earnings, as reported in U.S. dollars. Further discussion of our approach to managing foreign currency risk is contained in Part I, Item 3 of this Quarterly Report on Form 10-Q entitled “Quantitative and Qualitative Disclosures about Market Risk.”

Brokerage: During the three months ended September 30, 2010, income before income taxes in our electronic brokerage segment increased 2% compared to the same period in 2009. This reflects an increase in net interest income, and slightly higher commission revenues, partially offset by higher execution and clearing expenses compared to the same period last year. The increase in net interest income was attributable to increases in interest earned on higher customer cash balances and fully secured margin borrowings. Pre-tax margin decreased slightly from 51% to 49% for the three months ended September 30, 2009 and 2010, respectively. In the second quarter of 2010 we had lowered our commissions for U.S. futures by about 10%, on an average order. This reduced our gross margin slightly, but contributed to a 26% increase in futures trading volume from the third quarter of 2009. Total Daily Average Revenue Trades (“DARTs”) for cleared and execution-only customers increased 4% to approximately 355,000 during the three months ended September 30, 2010, compared to approximately 340,000 during the three months ended September 30, 2009. The number of customer accounts grew 18% from the year-ago quarter.

Nine months results: Diluted earnings per share were $0.44 for the nine months ended September 30, 2010, 46% lower than the $0.81 earned for the nine months ended September 30, 2009.

Consolidated: For the nine months ended September 30, 2010, our net revenues were $735.8 million and income before income taxes was $298.9 million, compared to net revenues of $899.9 million and income before income taxes of $492.3 million for the same period in 2009. Trading gains decreased 41% in the nine months ended September 30, 2010, compared to the same period last year while commissions and execution fees increased 10% compared to the year-ago period and net interest income increased 100%. Our pre-tax margin for the nine months ended September 30, 2010 was 41%, compared to 55% for the same period in 2009.

Market Making: During the nine months ended September 30, 2010, income before income taxes in our market making segment decreased 66%, compared with the same period in 2009. This was driven by more difficult market conditions, with tighter bid/offer spreads during the first three quarters of 2010 and by currency fluctuations, which had a negative impact on our trading gains. Pre-tax margin decreased to 34% in the first nine months of 2010 compared to 61% in the same period of 2009.

Brokerage: During the nine months ended September 30, 2010, income before income taxes in our electronic brokerage segment increased 18% compared to the same period in 2009, driven by higher commissions and execution fees and net interest income, partially offset by increased execution and clearing expenses. Pre-tax margin increased from 49% to 50% between the two comparative time periods. Customer equity grew by 41% to $18.9 billion at September 30, 2010, compared to $13.4 billion at September 30, 2009; and total DARTs for our cleared and execution-only customers grew by 10%.

Market making, by its nature, does not produce predictable earnings. Our results in any given period may be materially affected by volumes in the global financial markets, the level of competition and other factors. Electronic brokerage is more predictable, but it is dependent on customer activity, growth in customer accounts and assets, interest rates and other factors. For a further discussion of the factors, that may affect our future operating results, please see the description of risk factors in our Annual Report on Form 10-K filed with the SEC on February 26, 2010.

The following tables present historical trading volumes for our business. Volumes are among several drivers in our business.

TRADE VOLUMES:

(in 000’s, except %)

					Brokerage
	Market		Brokerage		Non				Avg. Trades
	Making	%	Cleared	%	Cleared	%	Total	%	per U.S.
Period	Trades	Change	Trades	Change	Trades	Change	Trades	Change	Trading Day
2005	54,044		34,800		7,380		96,224		382
2006	66,043	22%	51,238	47%	12,828	74%	130,109	35%	518
2007	99,086	50%	72,931	42%	16,638	30%	188,655	45%	752
2008	101,672	3%	120,195	65%	16,966	2%	238,833	27%	944
2009	93,550	-8%	127,338	6%	13,636	-20%	234,524	-2%	934

3Q2009	22,692		32,231		3,246		58,169		909
3Q2010	17,796	-22%	31,894	-1%	4,746	46%	54,436	-6%	851

CONTRACT AND SHARE VOLUMES:

(in 000’s, except %)

TOTAL
	Options	%	Futures*	%	Stocks	%
Period	(contracts)	Change	(contracts)	Change	(shares)	Change
2005	409,794		44,560		21,925,120
2006	563,623	38%	62,419	40%	34,493,410	57%
2007	673,144	19%	83,134	33%	47,324,798	37%
2008	757,732	13%	108,984	31%	55,845,428	18%
2009	643,380	-15%	82,345	-24%	75,449,891	35%

3Q2009	156,352		19,480		20,787,693
3Q2010	163,298	4%	24,094	24%	18,665,413	-10%

MARKET MAKING
	Options	%	Futures*	%	Stocks	%
Period	(contracts)	Change	(contracts)	Change	(shares)	Change
2005	308,613		11,551		15,625,801
2006	371,929	21%	14,818	28%	21,180,377	36%
2007	447,905	20%	14,520	-2%	24,558,314	16%
2008 **	514,629	15%	21,544	48%	26,008,433	6%
2009 **	428,810	-17%	15,122	-30%	26,205,229	1%

3Q2009 **	100,624		3,673		6,373,930
3Q2010 **	107,602	7%	4,225	15%	4,411,226	-31%

* Includes options on futures

** In Brazil, an equity option contract typically represents 1 share of the underlying stock; however, the typical minimum

trading quantity is 100 contracts. To make a fair comparison to volume at other exchanges, we have adopted a policy of

reporting Brazilian equity options contracts divided by their trading quantity of 100.

CONTRACT AND SHARE VOLUMES, continued:

(in 000’s, except %)

BROKERAGE TOTAL

	Options	%	Futures*	%	Stocks	%
Period	(contracts)	Change	(contracts)	Change	(shares)	Change
2005	101,181		33,009		6,299,319
2006	191,694	89%	47,601	44%	13,313,033	111%
2007	225,239	17%	68,614	44%	22,766,484	71%
2008	243,103	8%	87,440	27%	29,836,995	31%
2009	214,570	-12%	67,223	-23%	49,244,662