Contract OI history
Back to ZSDec 18, 2026 EXPIRATION
ZS $200.00 Call
ZS261218C00200000
Latest saved OI820Oct 23, 2026
Last change-2vs 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 | 820 | -2 |
| Oct 21, 2026Viewing | 822 | +13 |
| Oct 16, 2026 | 809 | +2 |
| Oct 15, 2026 | 807 | -40 |
| Oct 14, 2026 | 847 | -14 |
| Oct 12, 2026 | 861 | -18 |
| Oct 09, 2026 | 879 | No prior observation |