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

33.00 -1.42 (-4.13%)
Delayed Quote Updated: 11:29 AM EDT, Oct 12, 2026 Add to My Watchlist

Price and Volume

Detailed Quote
Volume 46,081
Open 34.42
Bid (Size) 33.00 (200)
Ask (Size) 33.16 (100)
Prev. Close 34.42
Today's Range 33.00 - 34.42
52wk Range 17.72 - 44.28
Shares Outstanding 25,167,365
Dividend Yield N/A

Performance

52-Week Range 25.5% below 52-week high
33.00
17.7252W Low 44.2852W High
1 Week 13.1% below 1-week high
32.251W 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 $33.00, 25.5% below its 52-week high. Over the past week it ranged between $32.25 and $37.99.

Past 12 Months
-10.0%
+2.1%
+43.6%
+40.2%
-14.4%
+44.7%
1W -$3.65
1M +$0.67
3M +$10.02
6M +$9.47
YTD -$5.54
1Y +$10.19

CSTL was +44.7% over the past year, +40.2% over six months, -14.4% year to date, -10.0% in the last week.

12 Months vs Market
CSTL
+44.7%
DIA
+12.5%
SPY
+17.4%
QQQ
+23.9%
IWM
+13.9%

Over the past 12 months CSTL returned +44.7% versus DIA (Dow) +12.5%, SPY (S&P 500) +17.4%, QQQ (Nasdaq 100) +23.9% and IWM (Russell 2000) +13.9%.

Volume & Liquidity 0.11× 3-mo avg
Today 46,081 3-mo avg 403.2K
1W
392.2K
1M
392.8K
3M
403.2K
6M
398.7K
YTD
397.3K
1Y
400.3K

CSTL most recently traded 46,081 shares against a 3-month average daily volume of 403.2K.

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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 33.00
When was Castle Biosciences, Inc. - Common stock last traded?
The last trade of Castle Biosciences, Inc. - Common stock was at 10/12/26 11:29 AM ET
What is the market capitalization of Castle Biosciences, Inc. - Common stock?
The market capitalization of Castle Biosciences, Inc. - Common stock is 830.52M
How many shares of Castle Biosciences, Inc. - Common stock are outstanding?
Castle Biosciences, Inc. - Common stock has 831M shares outstanding.
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