Castle Biosciences Inc. (CSTL)
NASDAQ: CSTL
· Real-Time Price · USD
20.09
0.27 (1.36%)
At close: Aug 15, 2025, 3:46 PM
20.09
0.00%
After-hours: Aug 15, 2025, 04:01 PM EDT
CSTL Open Interest Chart
Open interest breakdown by expiration date for CSTL
options contracts. Displaying data for 3
active expiration dates with future expiry.
Total open interest across all expiries is
882
contracts, with 688
call contracts and
194 put contracts. The
overall put-call open interest ratio is
0.28, indicating a
bullish
bias in positioning. Options expire from
Sep 19, 2025
to
Jan 16, 2026.
Open Interest Table
| Expiry Date | Call OI | Put OI | P/C OI |
|---|---|---|---|
| Sep 19, 2025 | 6 | 43 | 7.17 |
| Oct 17, 2025 | 634 | 129 | 0.20 |
| Jan 16, 2026 | 48 | 22 | 0.46 |