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Castle Biosciences (CSTL) Stock Chart & Stock Price History

Castle Biosciences logo
$30.09 +0.47 (+1.59%)
As of 02:16 PM Eastern
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Castle Biosciences Stock Price Performance

The Castle Biosciences (CSTL) stock chart highlights key performance trends across multiple timeframes. Over the last 12 months, the stock's price has increased 49.88%, with a year-to-date return of -22.60%. In the past month, the stock has increased 24.63%, reflecting recent market activity.

As of the latest close, Castle Biosciences traded at $29.62 with a market cap of $904.89 million and volume of 264,211 shares. Five years ago, the stock traded at $60.13, representing a 49.93% decrease over that period. At the time, it had a market cap of $1.51 billion and a volume of 183,179 shares.

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5 Day
Performance
-4.20%
1 Month
Performance
+24.63%
3 Month
Performance
+57.40%
Year-To-Date
Performance
-22.60%
1 Year
Performance
+49.88%
5 Year
Performance
-49.93%

CSTL Stock Chart for Monday, August, 17, 2026

CSTL Chart by TradingView

Castle Biosciences Stock Price History

Export
DateOpening PriceClosing PriceHighLowVolumeMarket Capitalization
08/14/2026$30.55$29.62
-3.04%		$31.12$29.58264,211 shs$904.89 million
08/13/2026$31.43$30.55
-2.80%		$31.97$30.51362,229 shs$933.30 million
08/12/2026$32.24$31.43
-2.51%		$33.00$31.25435,995 shs$960.19 million
08/11/2026$32.35$32.24
-0.34%		$32.99$31.46313,473 shs$984.93 million
08/10/2026$32.03$32.35
+1.00%		$33.06$31.24400,731 shs$988.29 million
08/07/2026$30.47$32.03
+5.12%		$32.37$30.65241,775 shs$978.52 million
08/06/2026$30.40$30.47
+0.23%		$30.75$29.50833,433 shs$930.86 million
08/05/2026$31.18$30.40
-2.50%		$31.42$30.10520,195 shs$928.72 million
08/04/2026$30.39$31.18
+2.60%		$31.73$29.99675,143 shs$945.69 million
08/03/2026$28.00$30.39
+8.54%		$30.73$27.83783,947 shs$921.73 million
07/31/2026$26.79$28.00
+4.52%		$30.81$27.501.76 million shs$849.24 million
07/30/2026$24.46$26.79
+9.53%		$27.13$24.50690,216 shs$812.54 million
07/29/2026$23.89$24.46
+2.39%		$25.30$23.73340,083 shs$741.87 million
07/28/2026$24.44$23.89
-2.25%		$24.77$23.76366,214 shs$724.58 million
07/27/2026$24.68$24.44
-0.97%		$25.12$23.85291,638 shs$741.27 million
07/24/2026$25.48$24.68
-3.14%		$25.63$24.35408,969 shs$748.54 million
07/23/2026$24.81$25.48
+2.70%		$25.50$24.53407,868 shs$772.81 million
07/22/2026$24.51$24.81
+1.22%		$24.92$23.77404,421 shs$752.49 million
07/21/2026$23.90$24.51
+2.55%		$24.69$23.25326,188 shs$743.39 million
07/20/2026$24.16$23.90
-1.08%		$24.15$23.76315,669 shs$724.89 million
07/17/2026$24.23$24.16
-0.29%		$24.34$23.59242,887 shs$732.77 million
07/16/2026$24.02$24.23
+0.87%		$25.13$23.82375,696 shs$734.90 million
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This page (NASDAQ:CSTL) was last updated on 8/17/2026 by MarketBeat.com Staff.
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