Free Trial

Castle Biosciences (CSTL) Stock Chart & Stock Price History

Castle Biosciences logo
$18.20 +0.05 (+0.28%)
As of 10:05 AM Eastern
This is a fair market value price provided by Massive. Learn more.

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 11.52%, with a year-to-date return of -53.21%. In the past month, the stock has decreased 25.32%, reflecting recent market activity.

As of the latest close, Castle Biosciences traded at $18.15 with a market cap of $550.49 million and volume of 664,487 shares. Five years ago, the stock traded at $55.17, representing a 67.01% decrease over that period. At the time, it had a market cap of $1.38 billion and a volume of 336,833 shares.

Receive CSTL Stock News and Ratings via Email

Sign-up to receive the latest news and ratings for Castle Biosciences and its competitors with MarketBeat's FREE daily newsletter.

SMS is currently available in Australia, Belgium, Canada, France, Germany, Ireland, Italy, New Zealand, the Netherlands, Singapore, South Africa, Spain, Switzerland, the United Kingdom, and the United States. By entering your phone number and clicking the sign-up button, you agree to receive periodic text messages from MarketBeat at the phone number you submitted, including texts that may be sent using an automatic telephone dialing system. Message and data rates may apply. Message frequency will vary. Messages will consist of stock alerts, news stories, and partner advertisements/offers. Consent is not a condition of the purchase of any goods or services. Text HELP for help/customer support. Unsubscribe at any time by replying "STOP" to any text message that you receive from MarketBeat or by visiting our mailing preferences page. Read our full terms of service and privacy policy.
5 Day
Performance
-8.22%
1 Month
Performance
-25.32%
3 Month
Performance
-45.10%
Year-To-Date
Performance
-53.21%
1 Year
Performance
+11.52%
5 Year
Performance
-67.01%

CSTL Stock Chart for Thursday, May, 14, 2026

Castle Biosciences Stock Price History

DateOpening PriceClosing PriceHighLowVolumeMarket Capitalization
05/13/2026$18.63$18.15
-2.58%
$18.82$17.81664,487 shs$550.49 million
05/12/2026$19.04$18.63
-2.15%
$19.23$18.35571,226 shs$565.05 million
05/11/2026$19.83$19.04
-3.98%
$19.98$18.89610,582 shs$577.48 million
05/08/2026$19.24$19.83
+3.07%
$19.85$18.66498,549 shs$583.55 million
05/07/2026$24.75$19.24
-22.26%
$22.88$18.312.00 million shs$582.97 million
05/06/2026$24.60$24.75
+0.61%
$25.23$24.25701,819 shs$749.93 million
05/05/2026N/A$24.60$25.50$24.43398,859 shs$745.28 million
04/30/2026$24.24$24.49
+1.03%
$24.90$24.13350,636 shs$741.95 million
04/29/2026$24.67$24.24
-1.74%
$24.35$23.31406,768 shs$734.38 million
04/28/2026$24.98$24.67
-1.24%
$25.28$24.48291,619 shs$747.47 million
04/27/2026$24.46$24.98
+2.13%
$25.71$24.39305,845 shs$756.89 million
04/24/2026$23.69$24.46
+3.25%
$24.61$23.18341,347 shs$741.14 million
04/23/2026$25.10$23.69
-5.62%
$24.80$23.31259,204 shs$717.71 million
04/22/2026$24.58$25.10
+2.12%
$25.13$24.42226,888 shs$760.53 million
04/21/2026$25.16$24.58
-2.31%
$25.72$24.37492,937 shs$744.77 million
04/20/2026$25.05$25.16
+0.44%
$25.32$24.67212,627 shs$762.35 million
04/17/2026$24.56$25.05
+2.00%
$25.37$24.84214,833 shs$758.92 million
04/16/2026$24.62$24.56
-0.24%
$24.82$24.14261,614 shs$744.17 million
04/15/2026$24.37$24.62
+1.03%
$25.00$24.37196,046 shs$745.99 million
04/14/2026$23.53$24.37
+3.57%
$24.81$23.72210,987 shs$738.31 million
04/13/2026$23.13$23.53
+1.73%
$23.58$22.81251,166 shs$712.96 million

This page (NASDAQ:CSTL) was last updated on 5/14/2026 by MarketBeat.com Staff.
From Our Partners