Contract OI history
Back to MSFTOct 26, 2026 EXPIRATION
MSFT $542.50 Call
MSFT261026C00542500
Latest saved OI846Oct 23, 2026
Last change+737vs 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 | 846 | +737 |
| Oct 21, 2026 | 109 | +93 |
| Oct 16, 2026 | 16 | +2 |
| Oct 15, 2026 | 14 | +9 |
| Oct 14, 2026 | 5 | 0 |
| Oct 13, 2026 | 5 | No prior observation |