Contract OI history
Back to ZMNov 20, 2026 EXPIRATION
ZM $87.50 Put
ZM261120P00087500
Latest saved OI1,250Oct 23, 2026
Last change+5vs 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 | 1,250 | +5 |
| Oct 21, 2026Viewing | 1,245 | -3 |
| Oct 16, 2026 | 1,248 | 0 |
| Oct 15, 2026 | 1,248 | -245 |
| Oct 14, 2026 | 1,493 | 0 |
| Oct 13, 2026 | 1,493 | -730 |
| Oct 09, 2026 | 2,223 | No prior observation |