Contract OI history
Back to ZSOct 30, 2026 EXPIRATION
ZS $220.00 Call
ZS261030C00220000
Latest saved OI978Oct 23, 2026
Last change-83vs 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 | 978 | -83 |
| Oct 21, 2026Viewing | 1,061 | +128 |
| Oct 16, 2026 | 933 | +20 |
| Oct 15, 2026 | 913 | -10 |
| Oct 14, 2026 | 923 | -2 |
| Oct 12, 2026 | 925 | +1 |
| Oct 09, 2026 | 924 | No prior observation |