Contract OI history
Back to AMATMar 19, 2027 EXPIRATION
AMAT $420.00 Put
AMAT270319P00420000
Latest saved OI1,051Oct 23, 2026
Last change+17vs 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 | 1,051 | +17 |
| Oct 21, 2026 | 1,034 | -18 |
| Oct 16, 2026 | 1,052 | -256 |
| Oct 15, 2026 | 1,308 | +134 |
| Oct 14, 2026 | 1,174 | 0 |
| Oct 13, 2026 | 1,174 | +41 |
| Oct 09, 2026 | 1,133 | No prior observation |