Contract OI history
Back to ZMDec 18, 2026 EXPIRATION
ZM $97.50 Put
ZM261218P00097500
Latest saved OI273Oct 23, 2026
Last change+161vs 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 | 273 | +161 |
| Oct 21, 2026Viewing | 112 | +22 |
| Oct 16, 2026 | 90 | 0 |
| Oct 15, 2026 | 90 | -9 |
| Oct 14, 2026 | 99 | 0 |
| Oct 13, 2026 | 99 | -3 |
| Oct 09, 2026 | 102 | No prior observation |