Contract OI history
Back to ZSDec 18, 2026 EXPIRATION
ZS $270.00 Call
ZS261218C00270000
Latest saved OI573Oct 23, 2026
Last change-8vs 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 | 573 | -8 |
| Oct 21, 2026 | 581 | -3 |
| Oct 16, 2026 | 584 | 0 |
| Oct 15, 2026 | 584 | 0 |
| Oct 14, 2026 | 584 | +67 |
| Oct 12, 2026 | 517 | +63 |
| Oct 09, 2026 | 454 | No prior observation |