Contract OI history
Back to MSFTDec 18, 2026 EXPIRATION
MSFT $515.00 Call
MSFT261218C00515000
Latest saved OI2,786Oct 23, 2026
Last change+66vs 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 | 2,786 | +66 |
| Oct 21, 2026 | 2,720 | +10 |
| Oct 16, 2026 | 2,710 | +6 |
| Oct 15, 2026 | 2,704 | -1 |
| Oct 14, 2026 | 2,705 | 0 |
| Oct 13, 2026 | 2,705 | +1 |
| Oct 09, 2026 | 2,704 | No prior observation |