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

32.52 -1.68 (-4.91%)
Delayed Quote Updated: 4:00 PM EST, Nov 6, 2026 Add to My Watchlist

Price and Volume

Detailed Quote
Volume 981,765
Open 34.56
Bid (Size) 22.00 (900)
Ask (Size) 32.91 (400)
Prev. Close 34.20
Today's Range 31.81 - 35.69
52wk Range 17.72 - 44.28
Shares Outstanding 25,167,365
Dividend Yield N/A

Performance

52-Week Range 26.6% below 52-week high
32.52
17.7252W Low 44.2852W High
1 Week 13.3% below 1-week high
31.811W Low 37.521W High

Castle Biosciences, Inc. - Common stock (CSTL) traded between $17.72 and $44.28 over the past 52 weeks and last traded at $32.52, 26.6% below its 52-week high. Over the past week it ranged between $31.81 and $37.52.

Past 12 Months
-6.9%
-1.5%
+1.5%
+64.0%
-15.6%
-3.1%
1W -$2.42
1M -$0.48
3M +$0.49
6M +$12.69
YTD -$6.02
1Y -$1.03

CSTL was -3.1% over the past year, +64.0% over six months, -15.6% year to date, -6.9% in the last week.

12 Months vs Market
CSTL
-3.1%
DIA
+9.2%
SPY
+9.7%
QQQ
+7.3%
IWM
+13.9%

Over the past 12 months CSTL returned -3.1% versus DIA (Dow) +9.2%, SPY (S&P 500) +9.7%, QQQ (Nasdaq 100) +7.3% and IWM (Russell 2000) +13.9%.

Volume & Liquidity 2.62× 3-mo avg
Today 981,765 3-mo avg 375.3K
1W
614.4K
1M
393.4K
3M
375.3K
6M
399.8K
YTD
397.9K
1Y
399.9K

CSTL most recently traded 981,765 shares against a 3-month average daily volume of 375.3K.

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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 32.52
When was Castle Biosciences, Inc. - Common stock last traded?
The last trade of Castle Biosciences, Inc. - Common stock was at 11/06/26 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 818.44M
How many shares of Castle Biosciences, Inc. - Common stock are outstanding?
Castle Biosciences, Inc. - Common stock has 818M shares outstanding.
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