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Castle Biosciences, Inc. - Common stock (NQ:CSTL)

32.88 UNCHANGED
Delayed Quote Updated: 4:00 PM EDT, Oct 13, 2026 Add to My Watchlist

Price and Volume

Detailed Quote
Volume 10
Open 32.88
Bid (Size) 22.00 (900)
Ask (Size) 35.50 (100)
Prev. Close 32.88
Today's Range 32.88 - 32.88
52wk Range 17.72 - 44.28
Shares Outstanding 25,167,365
Dividend Yield N/A

Performance

52-Week Range 25.7% below 52-week high
32.88
17.7252W Low 44.2852W High
1 Week 4.8% below 1-week high
32.231W Low 34.521W High

Castle Biosciences, Inc. - Common stock (CSTL) traded between $17.72 and $44.28 over the past 52 weeks and last traded at $32.88, 25.7% below its 52-week high. Over the past week it ranged between $32.23 and $34.52.

Past 12 Months
-0.4%
-1.7%
+42.2%
+34.9%
-14.7%
+44.1%
1W -$0.12
1M -$0.56
3M +$9.76
6M +$8.51
YTD -$5.66
1Y +$10.07

CSTL was +44.1% over the past year, +34.9% over six months, -14.7% year to date, -0.4% in the last week.

12 Months vs Market
CSTL
+44.1%
DIA
+12.1%
SPY
+17.3%
QQQ
+23.5%
IWM
+13.2%

Over the past 12 months CSTL returned +44.1% versus DIA (Dow) +12.1%, SPY (S&P 500) +17.3%, QQQ (Nasdaq 100) +23.5% and IWM (Russell 2000) +13.2%.

Volume & Liquidity 0.00× 3-mo avg
Today 10 3-mo avg 400.3K
1W
291.0K
1M
386.6K
3M
400.3K
6M
397.4K
YTD
395.7K
1Y
399.1K

CSTL most recently traded 10 shares against a 3-month average daily volume of 400.3K.

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Frequently Asked Questions

Is Castle Biosciences, Inc. - Common stock publicly traded?
Yes, Castle Biosciences, Inc. - Common stock is publicly traded.
What exchange does Castle Biosciences, Inc. - Common stock trade on?
Castle Biosciences, Inc. - Common stock trades on the Nasdaq Stock Market
What is the ticker symbol for Castle Biosciences, Inc. - Common stock?
The ticker symbol for Castle Biosciences, Inc. - Common stock is CSTL on the Nasdaq Stock Market
What is the current price of Castle Biosciences, Inc. - Common stock?
The current price of Castle Biosciences, Inc. - Common stock is 32.88
When was Castle Biosciences, Inc. - Common stock last traded?
The last trade of Castle Biosciences, Inc. - Common stock was at 10/13/26 04:00 PM ET
What is the market capitalization of Castle Biosciences, Inc. - Common stock?
The market capitalization of Castle Biosciences, Inc. - Common stock is 827.50M
How many shares of Castle Biosciences, Inc. - Common stock are outstanding?
Castle Biosciences, Inc. - Common stock has 828M shares outstanding.
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