Contract OI history
Back to MSFTOct 23, 2026 EXPIRATION
MSFT $500.00 Call
MSFT261023C00500000
Latest saved OI544Oct 23, 2026
Last change-26vs 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 | 544 | -26 |
| Oct 21, 2026 | 570 | +24 |
| Oct 16, 2026 | 546 | +9 |
| Oct 15, 2026 | 537 | +2 |
| Oct 14, 2026 | 535 | 0 |
| Oct 13, 2026 | 535 | -146 |
| Oct 09, 2026 | 681 | No prior observation |