Contract OI history
Back to ASSTMar 19, 2027 EXPIRATION
ASST $20.00 Put
ASST270319P00020000
Latest saved OI2,310Oct 23, 2026
Last change+1,996vs 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 | 2,310 | +1,996 |
| Oct 21, 2026 | 314 | +9 |
| Oct 16, 2026 | 305 | 0 |
| Oct 15, 2026 | 305 | +1 |
| Oct 14, 2026 | 304 | 0 |
| Oct 13, 2026 | 304 | +5 |
| Oct 09, 2026 | 299 | No prior observation |