Castle Biosciences
Why Robinhood?
Robinhood gives you the tools you need to put your money in motion. You can buy or sell CSTL and other ETFs, options, and stocks.About CSTL
Castle Biosciences, Inc.is a molecular diagnostics company offering innovative test solutions to aid clinicians in the diagnosis and treatment of dermatologic cancers, barrett’s esophagus, uveal melanoma, and in the treatment of mental health conditions. The firm offers DecisionDx-Melanoma, a proprietary multi-gene expression profile (GEP) test that predicts the risk of metastasis and recurrence for patients diagnosed with invasive cutaneous melanoma.
CSTL Key Statistics
Stock Snapshot
The current Castle Biosciences(CSTL) stock price is $33.55, with a market capitalization of 979.28M. The stock trades at a price-to-earnings (P/E) ratio of -74.54.
On 2025-11-19, Castle Biosciences(CSTL) stock moved within a range of $33.38 to $34.38. With shares now at $33.55, the stock is trading +0.5% above its intraday low and -2.4% below the session's peak.
Trading volume for Castle Biosciences(CSTL) stock has reached 320.59K, versus its average volume of 490.15K.
The stock's 52-week range extends from a low of $14.59 to a high of $35.49.
The stock's 52-week range extends from a low of $14.59 to a high of $35.49.
CSTL News
Castle Biosciences (CSTL) announced new data demonstrating the clinical value of its DecisionDx-Melanoma test in improving sentinel lymph node biopsy decision m...