Contract OI history
Back to MSFTApr 16, 2027 EXPIRATION
MSFT $410.00 Put
MSFT270416P00410000
Latest saved OI542Oct 23, 2026
Last change+18vs 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 | 542 | +18 |
| Oct 21, 2026 | 524 | +288 |
| Oct 16, 2026 | 236 | +5 |
| Oct 15, 2026 | 231 | +3 |
| Oct 14, 2026 | 228 | 0 |
| Oct 13, 2026 | 228 | +5 |
| Oct 09, 2026 | 223 | No prior observation |