Contract OI history
Back to IBMOct 30, 2026 EXPIRATION
IBM $232.50 Call
IBM261030C00232500
Latest saved OI393Oct 23, 2026
Last change-3vs 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 | 393 | -3 |
| Oct 21, 2026 | 396 | +216 |
| Oct 16, 2026 | 180 | +10 |
| Oct 15, 2026 | 170 | +151 |
| Oct 14, 2026 | 19 | 0 |
| Oct 13, 2026 | 19 | +19 |
| Oct 09, 2026 | 0 | No prior observation |