Contract OI history
Back to AMATDec 18, 2026 EXPIRATION
AMAT $310.00 Put
AMAT261218P00310000
Latest saved OI515Oct 23, 2026
Last change-49vs 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 | 515 | -49 |
| Oct 21, 2026 | 564 | +325 |
| Oct 16, 2026 | 239 | +7 |
| Oct 15, 2026 | 232 | +36 |
| Oct 14, 2026 | 196 | 0 |
| Oct 13, 2026 | 196 | 0 |
| Oct 09, 2026 | 196 | No prior observation |