Contract OI history
Back to ZMNov 20, 2026 EXPIRATION
ZM $145.00 Call
ZM261120C00145000
Latest saved OI754Oct 23, 2026
Last change+300vs 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 | 754 | +300 |
| Oct 21, 2026 | 454 | 0 |
| Oct 16, 2026 | 454 | 0 |
| Oct 15, 2026 | 454 | 0 |
| Oct 14, 2026 | 454 | 0 |
| Oct 13, 2026 | 454 | +1 |
| Oct 09, 2026 | 453 | No prior observation |