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Contract OI history

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Jan 19, 2029 EXPIRATION

ZS $340.00 Call

ZS290119C00340000

Latest saved OI25Oct 23, 2026
Last change+25vs previous saved observation
Saved market days5Oct 14, 2026 onwards
Daily open interest Hover a point for its date and OI
ZS $340.00 call open interest history 5 saved observations from 2026-10-14 to 2026-10-23. Exact values and changes are listed in the table below. 25120 2026-10-14: 0 OI2026-10-15: 0 OI2026-10-16: 0 OI2026-10-21: 0 OI2026-10-23: 25 OI Oct 14, 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, 2026Viewing25+25
Oct 21, 202600
Oct 16, 202600
Oct 15, 202600
Oct 14, 20260No prior observation