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

33.36 UNCHANGED
Delayed Quote Updated: 4:00 PM EDT, Oct 6, 2026 Add to My Watchlist

Price and Volume

Detailed Quote
Volume 86
Open 33.36
Bid (Size) 22.00 (900)
Ask (Size) 47.48 (100)
Prev. Close 33.36
Today's Range 33.36 - 33.36
52wk Range 17.72 - 44.28
Shares Outstanding 25,167,365
Dividend Yield N/A

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
-6.1%
+1.8%
+40.0%
+34.4%
-13.4%
+43.1%
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 0.00× 3-mo avg
Today 86 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 86 shares against a 3-month average daily volume of 399.2K.

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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 33.36
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.
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