Contract OI history
Back to ASSTDec 18, 2026 EXPIRATION
ASST $25.00 Put
ASST261218P00025000
Latest saved OI376Oct 23, 2026
Last change-3vs previous saved observation
Saved market days7Oct 09, 2026 onwards
All saved dates are shown. Changes compare consecutive saved observations. Missing observations are not filled with zero.
| Market date | Open interest | Change vs prior saved day |
|---|---|---|
| Oct 23, 2026Viewing | 376 | -3 |
| Oct 21, 2026 | 379 | +36 |
| Oct 16, 2026 | 343 | +7 |
| Oct 15, 2026 | 336 | +32 |
| Oct 14, 2026 | 304 | 0 |
| Oct 13, 2026 | 304 | +1 |
| Oct 09, 2026 | 303 | No prior observation |