Contract OI history
Back to ASSTMar 19, 2027 EXPIRATION
ASST $40.00 Call
ASST270319C00040000
Latest saved OI4,401Oct 23, 2026
Last change+90vs 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 | 4,401 | +90 |
| Oct 21, 2026 | 4,311 | +137 |
| Oct 16, 2026 | 4,174 | +128 |
| Oct 15, 2026 | 4,046 | +19 |
| Oct 14, 2026 | 4,027 | 0 |
| Oct 13, 2026 | 4,027 | +606 |
| Oct 09, 2026 | 3,421 | No prior observation |