Contract OI history
Back to ZSDec 18, 2026 EXPIRATION
ZS $200.00 Put
ZS261218P00200000
Latest saved OI808Oct 23, 2026
Last change+11vs 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 | 808 | +11 |
| Oct 21, 2026Viewing | 797 | +20 |
| Oct 16, 2026 | 777 | -2 |
| Oct 15, 2026 | 779 | +3 |
| Oct 14, 2026 | 776 | -2 |
| Oct 12, 2026 | 778 | -5 |
| Oct 09, 2026 | 783 | No prior observation |