Castle Biosciences, Inc. - Common stock (NQ:CSTL)
Price and Volume
Detailed Quote| Volume | 8,203 |
| Open | 35.56 |
| Bid (Size) | 35.39 (100) |
| Ask (Size) | 35.91 (300) |
| Prev. Close | 35.26 |
| Today's Range | 35.23 - 35.78 |
| 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
19.2% below 52-week high
35.78
17.7252W Low
44.2852W High
1 Week
3.3% below 1-week high
34.141W Low
36.991W High
Castle Biosciences, Inc. - Common stock (CSTL) traded between $17.72 and $44.28 over the past 52 weeks and last traded at $35.78, 19.2% below its 52-week high. Over the past week it ranged between $34.14 and $36.99.
Past 12 Months
1W
-$0.03
1M
+$2.34
3M
+$11.67
6M
+$10.94
YTD
-$2.76
1Y
+$12.76
CSTL was +55.4% over the past year, +44.0% over six months, -7.2% year to date, -0.1% in the last week.
12 Months vs Market
CSTL
+55.4%
DIA
+10.2%
SPY
+15.4%
QQQ
+24.7%
IWM
+16.7%
Over the past 12 months CSTL returned +55.4% versus DIA (Dow) +10.2%, SPY (S&P 500) +15.4%, QQQ (Nasdaq 100) +24.7% and IWM (Russell 2000) +16.7%.
Volume & Liquidity
0.02× 3-mo avg
Today 8,203
3-mo avg 393.5K
1W
429.3K
1M
355.5K
3M
393.5K
6M
396.5K
YTD
398.7K
1Y
398.6K
CSTL most recently traded 8,203 shares against a 3-month average daily volume of 393.5K.
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 35.78
When was Castle Biosciences, Inc. - Common stock last traded?
The last trade of Castle Biosciences, Inc. - Common stock was at 10/02/26 10:03 AM ET
What is the market capitalization of Castle Biosciences, Inc. - Common stock?
The market capitalization of Castle Biosciences, Inc. - Common stock is 900.52M
How many shares of Castle Biosciences, Inc. - Common stock are outstanding?
Castle Biosciences, Inc. - Common stock has 901M shares outstanding.
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