Castle Biosciences, Inc. Common Stock
$21.24
USD
Last updated on --.
24h volume528.13K
24h highest23.4200 USD
24h lowest19.6510 USD
24h Price movement+7.90%
CSTL recent prices
24 Hours
+7.90%+$1.555
30 days
-13.95%-$3.445
60 days
-9.79%-$2.305
90 days
-28.15%-$8.325
Key data
Previous close19.6900 USD
Market cap607.51M USD
Volume528.13K
P/E ratio--
Dividend yield (TTM)0.00%
Dividend amount--
Next ex-dividend date--
Next payment date--
EPS diluted (TTM)-0.42000 USD
Net income (FY)-12.83M USD
Revenue (FY)339.92M USD
Last report dateMay 6, 2026
About Castle Biosciences, Inc. Common Stock
HeadquartersFRIENDSWOOD
Employees (FY)942.00
Revenue per employee (FY)360.85K USD
Net income per employee (FY)-13.62K USD
Listed onNasdaq
CSTL conversion tables
 |  |
|---|---|
| 0.5 CSTL | 10.62 USD |
| 1 CSTL | 21.24 USD |
| 5 CSTL | 106.22 USD |
| 10 CSTL | 212.45 USD |
| |
|---|---|
| 0.5 USD | 0.023535 CSTL |
| 1 USD | 0.04707 CSTL |
| 5 USD | 0.23535 CSTL |
| 10 USD | 0.4707 CSTL |
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FAQ
CSTL is trading at $21.24, +7.90% over the last 24 hours. Track live moves on the price chart at the top of this page.
The CSTL stock forecast depends on a mix of factors — broader market conditions, sector trends, and company-specific drivers like earnings, product cycles, and macro signals. CSTL is currently trading at $21.24, +7.90% over the last 24 hours, which reflects how the market is pricing these factors today. For a longer-term outlook on CSTL price action, review the 30-day, 60-day, and 90-day performance shown above, monitor momentum across the SERVICES-MEDICAL LABORATORIES sector, and watch overall market sentiment. Stock forecasts and price predictions are inherently uncertain — always DYOR.
P/E ratio (Price-to-Earnings, trailing twelve months) measures how much investors pay per dollar of earnings over the last 12 months. CSTL's P/E ratio is currently -- — calculated by dividing its share price by its trailing 12-month earnings per share (EPS). A higher P/E suggests investors expect stronger future growth from CSTL; a lower P/E may indicate the stock is undervalued or that the market is pricing in a weaker outlook. P/E ratios are most useful when compared against CSTL's historical range and other companies in the SERVICES-MEDICAL LABORATORIES sector.
Castle Biosciences, Inc. Common Stock's market cap is currently 607.51M USD. Market cap is calculated as stock price × total shares outstanding.
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24h volume528.13K
24h highest23.4200 USD
24h lowest19.6510 USD
24h Price movement+7.90%
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