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Contract OI history

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Dec 18, 2026 EXPIRATION

ZS $175.00 Call

ZS261218C00175000

Latest saved OI1,140Oct 23, 2026
Last change-1vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
ZS $175.00 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. 1,2386190 2026-10-09: 1,238 OI2026-10-12: 1,148 OI2026-10-14: 1,142 OI2026-10-15: 1,141 OI2026-10-16: 1,141 OI2026-10-21: 1,141 OI2026-10-23: 1,140 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, 20261,140-1
Oct 21, 2026Viewing1,1410
Oct 16, 20261,1410
Oct 15, 20261,141-1
Oct 14, 20261,142-6
Oct 12, 20261,148-90
Oct 09, 20261,238No prior observation