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

38.51 UNCHANGED
Delayed Quote Updated: 4:00 PM EDT, Oct 29, 2026 Add to My Watchlist

Price and Volume

Detailed Quote
Volume 1
Open 38.51
Bid (Size) 22.00 (900)
Ask (Size) 61.61 (200)
Prev. Close 38.51
Today's Range 38.51 - 38.51
52wk Range 17.72 - 44.28
Shares Outstanding 25,167,365
Dividend Yield N/A

Performance

52-Week Range 13.0% below 52-week high
38.51
17.7252W Low 44.2852W High
1 Week 0.6% below 1-week high
32.691W Low 38.731W High

Castle Biosciences, Inc. - Common stock (CSTL) traded between $17.72 and $44.28 over the past 52 weeks and last traded at $38.51, 13.0% below its 52-week high. Over the past week it ranged between $32.69 and $38.73.

Past 12 Months
+16.4%
+10.4%
+43.7%
+57.2%
-0.1%
+62.2%
1W +$5.43
1M +$3.63
3M +$11.72
6M +$14.02
YTD -$0.03
1Y +$14.77

CSTL was +62.2% over the past year, +57.2% over six months, -0.1% year to date, +16.4% in the last week.

12 Months vs Market
CSTL
+62.2%
DIA
+9.7%
SPY
+11.9%
QQQ
+12.5%
IWM
+15.1%

Over the past 12 months CSTL returned +62.2% versus DIA (Dow) +9.7%, SPY (S&P 500) +11.9%, QQQ (Nasdaq 100) +12.5% and IWM (Russell 2000) +15.1%.

Volume & Liquidity 0.00× 3-mo avg
Today 1 3-mo avg 403.9K
1W
377.8K
1M
359.9K
3M
403.9K
6M
403.4K
YTD
393.0K
1Y
404.4K

CSTL most recently traded 1 shares against a 3-month average daily volume of 403.9K.

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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 38.51
When was Castle Biosciences, Inc. - Common stock last traded?
The last trade of Castle Biosciences, Inc. - Common stock was at 10/29/26 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 969.20M
How many shares of Castle Biosciences, Inc. - Common stock are outstanding?
Castle Biosciences, Inc. - Common stock has 969M shares outstanding.
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