Contract OI history
Back to MSFTOct 30, 2026 EXPIRATION
MSFT $522.50 Call
MSFT261030C00522500
Latest saved OI309Oct 23, 2026
Last change+215vs 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 | 309 | +215 |
| Oct 21, 2026 | 94 | +64 |
| Oct 16, 2026 | 30 | +2 |
| Oct 15, 2026 | 28 | +13 |
| Oct 14, 2026 | 15 | 0 |
| Oct 13, 2026 | 15 | +15 |
| Oct 09, 2026 | 0 | No prior observation |