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

35.47 +1.05 (+3.05%)
Delayed Quote Updated: 9:41 AM EST, Nov 11, 2026 Add to My Watchlist

Price and Volume

Detailed Quote
Volume 19,789
Open 34.71
Bid (Size) 34.20 (400)
Ask (Size) 35.48 (200)
Prev. Close 34.42
Today's Range 34.44 - 36.00
52wk Range 17.72 - 44.28
Shares Outstanding 25,167,365
Dividend Yield N/A

Performance

52-Week Range 19.9% below 52-week high
35.47
17.7252W Low 44.2852W High
1 Week 2.6% below 1-week high
31.811W Low 36.431W High

Castle Biosciences, Inc. - Common stock (CSTL) traded between $17.72 and $44.28 over the past 52 weeks and last traded at $35.47, 19.9% below its 52-week high. Over the past week it ranged between $31.81 and $36.43.

Past 12 Months
-0.8%
+8.3%
+10.0%
+90.4%
-8.0%
+2.1%
1W -$0.28
1M +$2.71
3M +$3.23
6M +$16.84
YTD -$3.07
1Y +$0.73

CSTL was +2.1% over the past year, +90.4% over six months, -8.0% year to date, -0.8% in the last week.

12 Months vs Market
CSTL
+2.1%
DIA
+10.0%
SPY
+11.0%
QQQ
+10.2%
IWM
+15.6%

Over the past 12 months CSTL returned +2.1% versus DIA (Dow) +10.0%, SPY (S&P 500) +11.0%, QQQ (Nasdaq 100) +10.2% and IWM (Russell 2000) +15.6%.

Volume & Liquidity 0.05× 3-mo avg
Today 19,789 3-mo avg 380.3K
1W
623.5K
1M
411.2K
3M
380.3K
6M
398.6K
YTD
398.7K
1Y
399.6K

CSTL most recently traded 19,789 shares against a 3-month average daily volume of 380.3K.

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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 35.47
When was Castle Biosciences, Inc. - Common stock last traded?
The last trade of Castle Biosciences, Inc. - Common stock was at 11/11/26 09:41 AM ET
What is the market capitalization of Castle Biosciences, Inc. - Common stock?
The market capitalization of Castle Biosciences, Inc. - Common stock is 892.69M
How many shares of Castle Biosciences, Inc. - Common stock are outstanding?
Castle Biosciences, Inc. - Common stock has 893M shares outstanding.
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