Contract OI history
Back to MSFTOct 23, 2026 EXPIRATION
MSFT $515.00 Call
MSFT261023C00515000
Latest saved OI327Oct 23, 2026
Last change-63vs 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 | 327 | -63 |
| Oct 21, 2026 | 390 | +31 |
| Oct 16, 2026 | 359 | -32 |
| Oct 15, 2026 | 391 | +1 |
| Oct 14, 2026 | 390 | 0 |
| Oct 13, 2026 | 390 | -15 |
| Oct 09, 2026 | 405 | No prior observation |