Contract OI history
Back to MSFTDec 18, 2026 EXPIRATION
MSFT $670.00 Call
MSFT261218C00670000
Latest saved OI3,556Oct 23, 2026
Last change-101vs 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 | 3,556 | -101 |
| Oct 21, 2026 | 3,657 | -14 |
| Oct 16, 2026 | 3,671 | -63 |
| Oct 15, 2026 | 3,734 | +1 |
| Oct 14, 2026 | 3,733 | 0 |
| Oct 13, 2026 | 3,733 | +34 |
| Oct 09, 2026 | 3,699 | No prior observation |