Spero Therapeutics Inc. (SPRO)
NASDAQ: SPRO
· Real-Time Price · USD
1.89
-0.05 (-2.58%)
At close: Sep 26, 2025, 3:59 PM
1.89
0.00%
After-hours: Sep 26, 2025, 07:50 PM EDT
SPRO Open Interest Chart
Open interest breakdown by expiration date for SPRO
options contracts. Displaying data for 4
active expiration dates with future expiry.
Total open interest across all expiries is
9,538
contracts, with 7,612
call contracts and
1,926 put contracts.
Open Interest Table
| Expiry Date | Call OI | Put OI | P/C OI |
|---|---|---|---|
| Oct 17, 2025 | 3,959 | 1,276 | 0.32 |
| Nov 21, 2025 | 13 | 0 | 0.00 |
| Jan 16, 2026 | 3,147 | 550 | 0.17 |
| Apr 17, 2026 | 493 | 100 | 0.20 |