Contract OI history
Back to IBMJan 15, 2027 EXPIRATION
IBM $420.00 Call
IBM270115C00420000
Latest saved OI1,261Oct 23, 2026
Last change-1vs previous saved observation
Saved market days12Oct 02, 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 | 1,261 | -1 |
| Oct 21, 2026 | 1,262 | +2 |
| Oct 16, 2026 | 1,260 | -9 |
| Oct 15, 2026 | 1,269 | 0 |
| Oct 14, 2026 | 1,269 | 0 |
| Oct 13, 2026 | 1,269 | -1 |
| Oct 09, 2026 | 1,270 | 0 |
| Oct 08, 2026 | 1,270 | 0 |
| Oct 07, 2026 | 1,270 | 0 |
| Oct 06, 2026 | 1,270 | 0 |
| Oct 05, 2026 | 1,270 | -13 |
| Oct 02, 2026 | 1,283 | No prior observation |