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Contract OI history

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Jan 21, 2028 EXPIRATION

ZS $230.00 Call

ZS280121C00230000

Latest saved OI137Oct 23, 2026
Last change-34vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
ZS $230.00 call open interest history 7 saved observations from 2026-10-09 to 2026-10-23. Exact values and changes are listed in the table below. 171850 2026-10-09: 126 OI2026-10-12: 139 OI2026-10-14: 169 OI2026-10-15: 169 OI2026-10-16: 169 OI2026-10-21: 171 OI2026-10-23: 137 OI Oct 09, 2026Oct 23, 2026

All saved dates are shown. Changes compare consecutive saved observations. Missing observations are not filled with zero.

ZS contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026137-34
Oct 21, 2026Viewing171+2
Oct 16, 20261690
Oct 15, 20261690
Oct 14, 2026169+30
Oct 12, 2026139+13
Oct 09, 2026126No prior observation