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

34.38 +1.86 (+5.72%)
Delayed Quote Updated: 4:00 PM EST, Nov 9, 2026 Add to My Watchlist

Price and Volume

Detailed Quote
Volume 563,376
Open 32.85
Bid (Size) 34.27 (4,300)
Ask (Size) 34.45 (400)
Prev. Close 32.52
Today's Range 32.41 - 34.46
52wk Range 17.72 - 44.28
Shares Outstanding 25,167,365
Dividend Yield N/A

Performance

52-Week Range 22.4% below 52-week high
34.38
17.7252W Low 44.2852W High
1 Week 8.4% 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 $34.38, 22.4% below its 52-week high. Over the past week it ranged between $31.81 and $37.52.

Past 12 Months
-1.6%
-0.1%
+6.3%
+80.6%
-10.8%
-1.0%
1W -$0.56
1M -$0.04
3M +$2.03
6M +$15.34
YTD -$4.16
1Y -$0.36

CSTL was -1.0% over the past year, +80.6% over six months, -10.8% year to date, -1.6% in the last week.

12 Months vs Market
CSTL
-1.0%
DIA
+10.4%
SPY
+10.5%
QQQ
+9.0%
IWM
+15.8%

Over the past 12 months CSTL returned -1.0% versus DIA (Dow) +10.4%, SPY (S&P 500) +10.5%, QQQ (Nasdaq 100) +9.0% and IWM (Russell 2000) +15.8%.

Volume & Liquidity 1.49× 3-mo avg
Today 563,376 3-mo avg 377.4K
1W
614.4K
1M
396.4K
3M
377.4K
6M
399.1K
YTD
397.9K
1Y
398.9K

CSTL most recently traded 563,376 shares against a 3-month average daily volume of 377.4K.

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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 34.38
When was Castle Biosciences, Inc. - Common stock last traded?
The last trade of Castle Biosciences, Inc. - Common stock was at 11/09/26 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 865.25M
How many shares of Castle Biosciences, Inc. - Common stock are outstanding?
Castle Biosciences, Inc. - Common stock has 865M shares outstanding.
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