Contract OI history
Back to ASSTOct 23, 2026 EXPIRATION
ASST $31.00 Put
ASST261023P00031000
Latest saved OI523Oct 23, 2026
Last change+509vs 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 | 523 | +509 |
| Oct 21, 2026 | 14 | -1 |
| Oct 16, 2026 | 15 | +1 |
| Oct 15, 2026 | 14 | 0 |
| Oct 14, 2026 | 14 | 0 |
| Oct 13, 2026 | 14 | +6 |
| Oct 09, 2026 | 8 | No prior observation |