Contract OI history
Back to MSFTOct 30, 2026 EXPIRATION
MSFT $520.00 Call
MSFT261030C00520000
Latest saved OI2,270Oct 23, 2026
Last change+42vs 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 | 2,270 | +42 |
| Oct 21, 2026 | 2,228 | +521 |
| Oct 16, 2026 | 1,707 | -21 |
| Oct 15, 2026 | 1,728 | -8 |
| Oct 14, 2026 | 1,736 | 0 |
| Oct 13, 2026 | 1,736 | -4 |
| Oct 09, 2026 | 1,740 | No prior observation |