Contract OI history
Back to ASSTNov 20, 2026 EXPIRATION
ASST $40.00 Call
ASST261120C00040000
Latest saved OI2,342Oct 23, 2026
Last change-281vs 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 | 2,342 | -281 |
| Oct 21, 2026 | 2,623 | +1 |
| Oct 16, 2026 | 2,622 | +15 |
| Oct 15, 2026 | 2,607 | +1,002 |
| Oct 14, 2026 | 1,605 | 0 |
| Oct 13, 2026 | 1,605 | +217 |
| Oct 09, 2026 | 1,388 | No prior observation |