Contract OI history
Back to ZSOct 23, 2026 EXPIRATION
ZS $230.00 Call
ZS261023C00230000
Latest saved OI517Oct 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 | 517 | -2 |
| Oct 21, 2026Viewing | 519 | +308 |
| Oct 16, 2026 | 211 | -3 |
| Oct 15, 2026 | 214 | +25 |
| Oct 14, 2026 | 189 | +83 |
| Oct 12, 2026 | 106 | +11 |
| Oct 09, 2026 | 95 | No prior observation |