Contract OI history
Back to ZSOct 30, 2026 EXPIRATION
ZS $235.00 Call
ZS261030C00235000
Latest saved OI319Oct 23, 2026
Last change+152vs 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 | 319 | +152 |
| Oct 21, 2026Viewing | 167 | +43 |
| Oct 16, 2026 | 124 | 0 |
| Oct 15, 2026 | 124 | +10 |
| Oct 14, 2026 | 114 | +74 |
| Oct 12, 2026 | 40 | +7 |
| Oct 09, 2026 | 33 | No prior observation |