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

35.33 -1.83 (-4.92%)
Delayed Quote Updated: 12:34 PM EST, Nov 2, 2026 Add to My Watchlist

Price and Volume

Detailed Quote
Volume 249,170
Open 37.52
Bid (Size) 35.22 (100)
Ask (Size) 35.44 (100)
Prev. Close 37.16
Today's Range 35.22 - 37.52
52wk Range 17.72 - 44.28
Shares Outstanding 25,167,365
Dividend Yield N/A

Performance

52-Week Range 20.2% below 52-week high
35.33
17.7252W Low 44.2852W High
1 Week 8.8% 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 $35.33, 20.2% below its 52-week high. Over the past week it ranged between $32.84 and $38.73.

Past 12 Months
+6.1%
-0.6%
+16.3%
+38.4%
-8.3%
+35.9%
1W +$2.03
1M -$0.23
3M +$4.94
6M +$9.81
YTD -$3.21
1Y +$9.34

CSTL was +35.9% over the past year, +38.4% over six months, -8.3% year to date, +6.1% in the last week.

12 Months vs Market
CSTL
+35.9%
DIA
+10.3%
SPY
+11.0%
QQQ
+9.4%
IWM
+14.7%

Over the past 12 months CSTL returned +35.9% versus DIA (Dow) +10.3%, SPY (S&P 500) +11.0%, QQQ (Nasdaq 100) +9.4% and IWM (Russell 2000) +14.7%.

Volume & Liquidity 0.66× 3-mo avg
Today 249,170 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 249,170 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 35.33
When was Castle Biosciences, Inc. - Common stock last traded?
The last trade of Castle Biosciences, Inc. - Common stock was at 11/02/26 12:34 PM ET
What is the market capitalization of Castle Biosciences, Inc. - Common stock?
The market capitalization of Castle Biosciences, Inc. - Common stock is 889.16M
How many shares of Castle Biosciences, Inc. - Common stock are outstanding?
Castle Biosciences, Inc. - Common stock has 889M shares outstanding.
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