Contract OI history
Back to ZMNov 20, 2026 EXPIRATION
ZM $82.50 Put
ZM261120P00082500
Latest saved OI568Oct 23, 2026
Last change+2vs 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, 2026 | 568 | +2 |
| Oct 21, 2026Viewing | 566 | +17 |
| Oct 16, 2026 | 549 | 0 |
| Oct 15, 2026 | 549 | -1 |
| Oct 14, 2026 | 550 | 0 |
| Oct 13, 2026 | 550 | +7 |
| Oct 09, 2026 | 543 | No prior observation |