Contract OI history
Back to AMATMar 19, 2027 EXPIRATION
AMAT $320.00 Put
AMAT270319P00320000
Latest saved OI608Oct 23, 2026
Last change+229vs 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 | 608 | +229 |
| Oct 21, 2026 | 379 | -5 |
| Oct 16, 2026 | 384 | 0 |
| Oct 15, 2026 | 384 | +8 |
| Oct 14, 2026 | 376 | 0 |
| Oct 13, 2026 | 376 | +1 |
| Oct 09, 2026 | 375 | No prior observation |