Contract OI history
Back to MSFTDec 18, 2026 EXPIRATION
MSFT $465.00 Put
MSFT261218P00465000
Latest saved OI2,160Oct 23, 2026
Last change+84vs 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 | 2,160 | +84 |
| Oct 21, 2026 | 2,076 | +35 |
| Oct 16, 2026 | 2,041 | +26 |
| Oct 15, 2026 | 2,015 | -6 |
| Oct 14, 2026 | 2,021 | 0 |
| Oct 13, 2026 | 2,021 | -10 |
| Oct 09, 2026 | 2,031 | No prior observation |