Castle Biosciences Inc. (CSTL)
NASDAQ: CSTL
· Real-Time Price · USD
21.42
-1.33 (-5.85%)
At close: Sep 12, 2025, 3:59 PM
21.75
1.54%
After-hours: Sep 12, 2025, 05:17 PM EDT
CSTL Open Interest Chart
Open interest breakdown by expiration date for CSTL
options contracts. Displaying data for 4
active expiration dates with future expiry.
Total open interest across all expiries is
2,158
contracts, with 1,954
call contracts and
204 put contracts.
Open Interest Table
| Expiry Date | Call OI | Put OI | P/C OI |
|---|---|---|---|
| Sep 19, 2025 | 278 | 44 | 0.16 |
| Oct 17, 2025 | 1,022 | 130 | 0.13 |
| Jan 16, 2026 | 111 | 24 | 0.22 |
| Apr 17, 2026 | 543 | 6 | 0.01 |