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

37.16 UNCHANGED
Delayed Quote Updated: 4:00 PM EDT, Oct 30, 2026 Add to My Watchlist

Price and Volume

Detailed Quote
Volume 601
Open 37.16
Bid (Size) 22.00 (900)
Ask (Size) 40.00 (200)
Prev. Close 37.16
Today's Range 37.16 - 37.16
52wk Range 17.72 - 44.28
Shares Outstanding 25,167,365
Dividend Yield N/A

Performance

52-Week Range 16.1% below 52-week high
37.16
17.7252W Low 44.2852W High
1 Week 4.0% below 1-week high
32.841W 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 $37.16, 16.1% below its 52-week high. Over the past week it ranged between $32.84 and $38.73.

Past 12 Months
+11.6%
+4.5%
+22.3%
+45.6%
-3.6%
+43.0%
1W +$3.86
1M +$1.60
3M +$6.77
6M +$11.64
YTD -$1.38
1Y +$11.17

CSTL was +43.0% over the past year, +45.6% over six months, -3.6% year to date, +11.6% in the last week.

12 Months vs Market
CSTL
+43.0%
DIA
+9.2%
SPY
+10.6%
QQQ
+9.2%
IWM
+13.8%

Over the past 12 months CSTL returned +43.0% versus DIA (Dow) +9.2%, SPY (S&P 500) +10.6%, QQQ (Nasdaq 100) +9.2% and IWM (Russell 2000) +13.8%.

Volume & Liquidity 0.00× 3-mo avg
Today 601 3-mo avg 377.1K
1W
404.1K
1M
339.6K
3M
377.1K
6M
405.1K
YTD
392.7K
1Y
405.6K

CSTL most recently traded 601 shares against a 3-month average daily volume of 377.1K.

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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 37.16
When was Castle Biosciences, Inc. - Common stock last traded?
The last trade of Castle Biosciences, Inc. - Common stock was at 10/30/26 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 935.22M
How many shares of Castle Biosciences, Inc. - Common stock are outstanding?
Castle Biosciences, Inc. - Common stock has 935M shares outstanding.
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