Contract OI history
Back to MSFTApr 16, 2027 EXPIRATION
MSFT $415.00 Put
MSFT270416P00415000
Latest saved OI330Oct 23, 2026
Last change+4vs 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 | 330 | +4 |
| Oct 21, 2026 | 326 | +20 |
| Oct 16, 2026 | 306 | +15 |
| Oct 15, 2026 | 291 | +118 |
| Oct 14, 2026 | 173 | 0 |
| Oct 13, 2026 | 173 | +59 |
| Oct 09, 2026 | 114 | No prior observation |