Contract OI history
Back to AMATJan 21, 2028 EXPIRATION
AMAT $310.00 Put
AMAT280121P00310000
Latest saved OI417Oct 23, 2026
Last change+55vs 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 | 417 | +55 |
| Oct 21, 2026 | 362 | +1 |
| Oct 16, 2026 | 361 | +2 |
| Oct 15, 2026 | 359 | -4 |
| Oct 14, 2026 | 363 | 0 |
| Oct 13, 2026 | 363 | 0 |
| Oct 09, 2026 | 363 | No prior observation |