Contract OI history
Back to AMATFeb 19, 2027 EXPIRATION
AMAT $320.00 Put
AMAT270219P00320000
Latest saved OI813Oct 23, 2026
Last change+10vs 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 | 813 | +10 |
| Oct 21, 2026 | 803 | +13 |
| Oct 16, 2026 | 790 | +1 |
| Oct 15, 2026 | 789 | +2 |
| Oct 14, 2026 | 787 | 0 |
| Oct 13, 2026 | 787 | +1 |
| Oct 09, 2026 | 786 | No prior observation |