Sutro Biopharma Inc. (STRO)
NASDAQ: STRO
· Real-Time Price · USD
0.88
0.10 (12.81%)
At close: Aug 15, 2025, 3:59 PM
0.88
0.02%
After-hours: Aug 15, 2025, 07:16 PM EDT
STRO Open Interest Chart
Open interest breakdown by expiration date for STRO
options contracts. Displaying data for 3
active expiration dates with future expiry.
Total open interest across all expiries is
813
contracts, with 745
call contracts and
68 put contracts. The
overall put-call open interest ratio is
0.09, indicating a
bullish
bias in positioning. Options expire from
Sep 19, 2025
to
Feb 20, 2026.
Open Interest Table
| Expiry Date | Call OI | Put OI | P/C OI |
|---|---|---|---|
| Sep 19, 2025 | 2 | 5 | 2.50 |
| Nov 21, 2025 | 735 | 53 | 0.07 |
| Feb 20, 2026 | 8 | 10 | 1.25 |