price
CS
NASDAQ · CSTL
Castle Biosciences, Inc.
Healthcare · Medical - Diagnostics & Research
$32.32
Up+$0.01 (+0.03%)
Updated Sep 12, 2026, 1:04 AM
SID Score
5.7/10
Composite research score
Smart Money
—
Institutional and insider signal
- Market cap
- 1.11B
- P/E ratio
- -115.98
- Dividend yield
- 0.00%
- 52-week range
- $17.72 – $35.20
- Volume
- 237.83K
- Avg. volume
- 400.7K
Price performance
CSTL price history
1M range · 20 trading sessions · Daily adjusted prices
CSTL closed at $32.32 after 20 trading sessions, up 5.79% for the selected period.
- Last close
- $32.32
- Period change
- +5.79%
- Period low
- $29.03
- Period high
- $35.00
Daily close
View OHLC price history
| Date | Open | High | Low | Close | Volume |
|---|---|---|---|---|---|
| Sep 10, 2026 | $31.97 | $32.70 | $31.44 | $32.32 | 237.83K |
| Sep 9, 2026 | $32.43 | $33.03 | $32.00 | $32.31 | 194.56K |
| Sep 8, 2026 | $32.57 | $33.58 | $32.28 | $32.76 | 217.02K |
| Sep 4, 2026 | $32.32 | $33.21 | $31.985 | $32.91 | 187.73K |
| Sep 3, 2026 | $33.50 | $34.00 | $32.38 | $32.65 | 268.01K |
| Sep 2, 2026 | $33.36 | $34.73 | $32.69 | $33.42 | 200.27K |
| Sep 1, 2026 | $33.00 | $34.09 | $32.89 | $33.44 | 396.18K |
| Aug 31, 2026 | $33.03 | $33.295 | $32.36 | $33.03 | 258.01K |
| Aug 28, 2026 | $34.02 | $34.275 | $32.80 | $33.50 | 372.59K |
| Aug 27, 2026 | $34.01 | $34.89 | $33.982 | $34.26 | 251.21K |
| Aug 26, 2026 | $34.80 | $34.84 | $33.62 | $34.08 | 456.26K |
| Aug 25, 2026 | $33.47 | $35.20 | $33.29 | $35.00 | 483.37K |
| Aug 24, 2026 | $33.65 | $34.54 | $31.695 | $33.47 | 357.67K |
| Aug 21, 2026 | $32.85 | $34.70 | $32.14 | $34.20 | 573.47K |
| Aug 20, 2026 | $32.41 | $34.01 | $32.41 | $32.93 | 322.94K |
| Aug 19, 2026 | $29.03 | $32.39 | $29.03 | $32.32 | 451.92K |
| Aug 18, 2026 | $29.89 | $30.125 | $28.72 | $29.03 | 596.61K |
| Aug 17, 2026 | $29.50 | $30.50 | $29.21 | $29.95 | 225.81K |
| Aug 14, 2026 | $30.93 | $31.115 | $29.58 | $29.62 | 264.21K |
| Aug 13, 2026 | $31.62 | $31.97 | $30.51 | $30.55 | 362.23K |
Latest CSTL news
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