Contract OI history
Back to ASSTDec 18, 2026 EXPIRATION
ASST $30.00 Put
ASST261218P00030000
Latest saved OI432Oct 23, 2026
Last change+56vs 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 | 432 | +56 |
| Oct 21, 2026 | 376 | -182 |
| Oct 16, 2026 | 558 | +46 |
| Oct 15, 2026 | 512 | +54 |
| Oct 14, 2026 | 458 | 0 |
| Oct 13, 2026 | 458 | 0 |
| Oct 09, 2026 | 458 | No prior observation |