Contract OI history
Back to ZMDec 18, 2026 EXPIRATION
ZM $87.50 Put
ZM261218P00087500
Latest saved OI265Oct 23, 2026
Last change-1vs 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 | 265 | -1 |
| Oct 21, 2026 | 266 | -11 |
| Oct 16, 2026 | 277 | 0 |
| Oct 15, 2026 | 277 | 0 |
| Oct 14, 2026 | 277 | 0 |
| Oct 13, 2026 | 277 | +2 |
| Oct 09, 2026 | 275 | No prior observation |