Castle Biosciences, Inc. - Common stock (NQ:CSTL)
Price and Volume
Detailed Quote| Volume | 135,406 |
| Open | 33.13 |
| Bid (Size) | 33.64 (100) |
| Ask (Size) | 33.76 (200) |
| Prev. Close | 33.11 |
| Today's Range | 32.48 - 33.95 |
| 52wk Range | 17.72 - 44.28 |
| Shares Outstanding | 25,167,365 |
| Dividend Yield | N/A |
Top News
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Performance
52-Week Range
24.0% below 52-week high
33.66
17.7252W Low
44.2852W High
1 Week
2.5% 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 $33.66, 24.0% below its 52-week high. Over the past week it ranged between $32.23 and $34.52.
Past 12 Months
1W
-$0.05
1M
+$0.22
3M
+$9.64
6M
+$9.04
YTD
-$4.88
1Y
+$11.30
CSTL was +50.5% over the past year, +36.7% over six months, -12.7% year to date, -0.1% in the last week.
12 Months vs Market
CSTL
+50.5%
DIA
+12.4%
SPY
+16.2%
QQQ
+21.1%
IWM
+10.3%
Over the past 12 months CSTL returned +50.5% versus DIA (Dow) +12.4%, SPY (S&P 500) +16.2%, QQQ (Nasdaq 100) +21.1% and IWM (Russell 2000) +10.3%.
Volume & Liquidity
0.34× 3-mo avg
Today 135,406
3-mo avg 400.2K
1W
269.3K
1M
380.4K
3M
400.2K
6M
397.6K
YTD
394.9K
1Y
399.3K
CSTL most recently traded 135,406 shares against a 3-month average daily volume of 400.2K.
More News
Read More
Castle Biosciences Q2 Earnings Call Highlights ↗
July 30, 2026
Castle (CSTL) Q1 2026 Earnings Transcript ↗
May 06, 2026
Castle Biosciences (CSTL) Earnings Transcript ↗
February 26, 2026
Castle Biosciences Reports Fourth Quarter and Full–Year 2025 Results
February 26, 2026
AIGH Capital Dumps 1.1 Million MaxLinear (MXL) Shares ↗
February 02, 2026
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 33.66
When was Castle Biosciences, Inc. - Common stock last traded?
The last trade of Castle Biosciences, Inc. - Common stock was at 10/15/26 02:15 PM ET
What is the market capitalization of Castle Biosciences, Inc. - Common stock?
The market capitalization of Castle Biosciences, Inc. - Common stock is 847.13M
How many shares of Castle Biosciences, Inc. - Common stock are outstanding?
Castle Biosciences, Inc. - Common stock has 847M shares outstanding.
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