Contract OI history
Back to AMATFeb 19, 2027 EXPIRATION
AMAT $380.00 Put
AMAT270219P00380000
Latest saved OI1,423Oct 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 | 1,423 | -10 |
| Oct 21, 2026 | 1,433 | +593 |
| Oct 16, 2026 | 840 | +3 |
| Oct 15, 2026 | 837 | 0 |
| Oct 14, 2026 | 837 | 0 |
| Oct 13, 2026 | 837 | +40 |
| Oct 09, 2026 | 797 | No prior observation |