Castle Biosciences, Inc. - Common stock (NQ:CSTL)
Price and Volume
Detailed Quote| Volume | 609,146 |
| Open | 36.65 |
| Bid (Size) | 22.53 (100) |
| Ask (Size) | 35.50 (100) |
| Prev. Close | 36.65 |
| Today's Range | 33.10 - 37.99 |
| 52wk Range | 17.72 - 44.28 |
| Shares Outstanding | 25,167,365 |
| Dividend Yield | N/A |
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Performance
52-Week Range
24.7% below 52-week high
33.36
17.7252W Low
44.2852W High
1 Week
12.2% below 1-week high
33.101W Low
37.991W High
Castle Biosciences, Inc. - Common stock (CSTL) traded between $17.72 and $44.28 over the past 52 weeks and last traded at $33.36, 24.7% below its 52-week high. Over the past week it ranged between $33.10 and $37.99.
Past 12 Months
1W
-$2.17
1M
+$0.60
3M
+$9.53
6M
+$8.53
YTD
-$5.18
1Y
+$10.05
CSTL was +43.1% over the past year, +34.4% over six months, -13.4% year to date, -6.1% in the last week.
12 Months vs Market
CSTL
+43.1%
DIA
+10.2%
SPY
+16.0%
QQQ
+25.0%
IWM
+14.0%
Over the past 12 months CSTL returned +43.1% versus DIA (Dow) +10.2%, SPY (S&P 500) +16.0%, QQQ (Nasdaq 100) +25.0% and IWM (Russell 2000) +14.0%.
Volume & Liquidity
1.53× 3-mo avg
Today 609,146
3-mo avg 399.2K
1W
463.2K
1M
377.3K
3M
399.2K
6M
398.6K
YTD
398.4K
1Y
398.8K
CSTL most recently traded 609,146 shares against a 3-month average daily volume of 399.2K.
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 33.36
When was Castle Biosciences, Inc. - Common stock last traded?
The last trade of Castle Biosciences, Inc. - Common stock was at 10/06/26 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 839.58M
How many shares of Castle Biosciences, Inc. - Common stock are outstanding?
Castle Biosciences, Inc. - Common stock has 840M shares outstanding.