Contract OI history
Back to AMATNov 06, 2026 EXPIRATION
AMAT $400.00 Put
AMAT261106P00400000
Latest saved OI640Oct 23, 2026
Last change+498vs 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 | 640 | +498 |
| Oct 21, 2026 | 142 | +53 |
| Oct 16, 2026 | 89 | +13 |
| Oct 15, 2026 | 76 | +15 |
| Oct 14, 2026 | 61 | 0 |
| Oct 13, 2026 | 61 | +26 |
| Oct 09, 2026 | 35 | No prior observation |