Contract OI history
Back to ZSDec 18, 2026 EXPIRATION
ZS $140.00 Put
ZS261218P00140000
Latest saved OI418Oct 23, 2026
Last change-4vs 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 | 418 | -4 |
| Oct 21, 2026Viewing | 422 | 0 |
| Oct 16, 2026 | 422 | -10 |
| Oct 15, 2026 | 432 | -2 |
| Oct 14, 2026 | 434 | 0 |
| Oct 12, 2026 | 434 | -11 |
| Oct 09, 2026 | 445 | No prior observation |