Contract OI history
Back to MSFTOct 23, 2026 EXPIRATION
MSFT $557.50 Call
MSFT261023C00557500
Latest saved OI2,010Oct 23, 2026
Last change+48vs 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 | 2,010 | +48 |
| Oct 21, 2026 | 1,962 | -213 |
| Oct 16, 2026 | 2,175 | +135 |
| Oct 15, 2026 | 2,040 | +2,040 |
| Oct 14, 2026 | 0 | 0 |
| Oct 13, 2026 | 0 | No prior observation |