Contract OI history
Back to ZSOct 23, 2026 EXPIRATION
ZS $222.50 Call
ZS261023C00222500
Latest saved OI175Oct 23, 2026
Last change-29vs 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 | 175 | -29 |
| Oct 21, 2026Viewing | 204 | +178 |
| Oct 16, 2026 | 26 | +1 |
| Oct 15, 2026 | 25 | +6 |
| Oct 14, 2026 | 19 | +1 |
| Oct 12, 2026 | 18 | -1 |
| Oct 09, 2026 | 19 | No prior observation |