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Contract OI history

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Oct 30, 2026 EXPIRATION

ZS $232.50 Call

ZS261030C00232500

Latest saved OI170Oct 23, 2026
Last change+75vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
ZS $232.50 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. 170850 2026-10-09: 49 OI2026-10-12: 55 OI2026-10-14: 64 OI2026-10-15: 64 OI2026-10-16: 65 OI2026-10-21: 95 OI2026-10-23: 170 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, 2026170+75
Oct 21, 2026Viewing95+30
Oct 16, 202665+1
Oct 15, 2026640
Oct 14, 202664+9
Oct 12, 202655+6
Oct 09, 202649No prior observation