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Contract OI history

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Dec 18, 2026 EXPIRATION

ZS $350.00 Call

ZS261218C00350000

Latest saved OI130Oct 23, 2026
Last change+3vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
ZS $350.00 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. 130650 2026-10-09: 124 OI2026-10-12: 123 OI2026-10-14: 122 OI2026-10-15: 122 OI2026-10-16: 122 OI2026-10-21: 127 OI2026-10-23: 130 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, 2026130+3
Oct 21, 2026Viewing127+5
Oct 16, 20261220
Oct 15, 20261220
Oct 14, 2026122-1
Oct 12, 2026123-1
Oct 09, 2026124No prior observation