Contract OI history
Back to ASSTDec 18, 2026 EXPIRATION
ASST $37.00 Call
ASST261218C00037000
Latest saved OI939Oct 23, 2026
Last change+336vs 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 | 939 | +336 |
| Oct 21, 2026 | 603 | +18 |
| Oct 16, 2026 | 585 | +10 |
| Oct 15, 2026 | 575 | +4 |
| Oct 14, 2026 | 571 | 0 |
| Oct 13, 2026 | 571 | +41 |
| Oct 09, 2026 | 530 | No prior observation |