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CSTLCastle Biosciences, Inc.

CSTL Stock Price, Valuation & Chart | Castle Biosciences, Inc.

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$31.960-1.84 (-5.44%)

At close · 16 Oct 2026, 08:00 pm

Sector: HealthcareIndustry: Medical - Diagnostics & Research
OverviewFinancialsDividendsRatios

CSTL Historical price chart

CSTL Key Stats

Market Capitalization976.36M
PE Ratio-48.42
EPS-0.66
Trading Volume380.93K
Today's High/Low34.15/31.82
Dividend Yield0.00
52 Week High/Low44.28/17.72
Shares Outstanding30.55M
CSTL Financial Statement
CSTL Analyst ratings
CSTL Analysis & performance metrics

CSTL Company profile

Castle Biosciences, Inc., a commercial-stage diagnostics company, focuses to provide diagnostic and prognostic testing services for dermatological cancers. Its lead product…

CSTL Management team

Management
Matthew Goldberg M.D.
Senior Vice President of Medical
Camilla Zuckero
Vice President of Investor Relations & Corporate Affairs
Kevin Doman
Vice President of Sales
Jay Braxton Pharm.D.
Vice President of Marketing & Brand Manager of Uveal Melanoma (UM)
Keli Greenberg
Vice President of Human Resources
Derek J. MaetzoldCEO
Founder, Chief Executive Officer, President & Director
Frank StokesCFO
Chief Financial Officer & Treasurer
Tobin W. Juvenal
Chief Commercial Officer
Total 8 executives

CSTL Frequently asked questions

What is Castle Biosciences, Inc. (CSTL) Stock Price?

Current stock price of Castle Biosciences, Inc. (CSTL) stock is $31.960. The stock price is -5.44% lower in the session. The intraday range can be seen from this page. Volume of Castle Biosciences, Inc. (CSTL) stock is 380.93K.

Last updated at 16 Oct 2026, 08:00 pm.

Why is the Castle Biosciences, Inc. (CSTL) stock price going up or down today?

The stock price of Castle Biosciences, Inc. (CSTL) can change with earnings, company news, and overall market sentiment. Castle Biosciences, Inc. operates in the Healthcare / Medical - Diagnostics & Research market, so sector-wide moves can also affect the share price. Use the live price, percentage change, and volume on this page to judge whether a move looks meaningful.

Is the Castle Biosciences, Inc. stock expensive at its current price?

Whether Castle Biosciences, Inc. looks expensive depends on valuation metrics versus its growth outlook. The P/E ratio shown for CSTL on this page is -48.42. EPS on this page is -0.66. Compare those figures with peers and growth expectations before deciding if the current Castle Biosciences, Inc. price is justified.

How has the stock price of Castle Biosciences, Inc. (CSTL) performed historically?

Historical performance for Castle Biosciences, Inc. (CSTL) is shown on the price chart on this page. Review multi-period moves alongside volume to see how CSTL reacted to past earnings and market events.

Should I buy Castle Biosciences, Inc. (CSTL) stock, at this price?

Buying Castle Biosciences, Inc. (CSTL) depends on your risk tolerance, time horizon, and portfolio needs. As a Healthcare name, weigh the live quote, key stats, and valuation links on this page rather than a single price point.