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Contract OI history

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Mar 19, 2027 EXPIRATION

ZTS $85.00 Call

ZTS270319C00085000

Latest saved OI885Oct 23, 2026
Last change+3vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
ZTS $85.00 call open interest history 12 saved observations from 2026-10-02 to 2026-10-23. Exact values and changes are listed in the table below. 8884440 2026-10-02: 886 OI2026-10-05: 886 OI2026-10-06: 886 OI2026-10-07: 886 OI2026-10-08: 886 OI2026-10-09: 886 OI2026-10-12: 883 OI2026-10-14: 882 OI2026-10-15: 888 OI2026-10-16: 873 OI2026-10-21: 882 OI2026-10-23: 885 OI Oct 02, 2026Oct 23, 2026

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

ZTS contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing885+3
Oct 21, 2026882+9
Oct 16, 2026873-15
Oct 15, 2026888+6
Oct 14, 2026882-1
Oct 12, 2026883-3
Oct 09, 20268860
Oct 08, 20268860
Oct 07, 20268860
Oct 06, 20268860
Oct 05, 20268860
Oct 02, 2026886No prior observation