Contract OI history
Back to ZSOct 23, 2026 EXPIRATION
ZS $212.50 Call
ZS261023C00212500
Latest saved OI325Oct 23, 2026
Last change-132vs 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 | 325 | -132 |
| Oct 21, 2026 | 457 | +256 |
| Oct 16, 2026 | 201 | +1 |
| Oct 15, 2026 | 200 | 0 |
| Oct 14, 2026 | 200 | +5 |
| Oct 12, 2026 | 195 | -1 |
| Oct 09, 2026 | 196 | No prior observation |