Contract OI history
Back to MSFTOct 26, 2026 EXPIRATION
MSFT $547.50 Call
MSFT261026C00547500
Latest saved OI371Oct 23, 2026
Last change+190vs previous saved observation
Saved market days6Oct 13, 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 | 371 | +190 |
| Oct 21, 2026 | 181 | +129 |
| Oct 16, 2026 | 52 | +2 |
| Oct 15, 2026 | 50 | +19 |
| Oct 14, 2026 | 31 | 0 |
| Oct 13, 2026 | 31 | No prior observation |