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Contract OI history

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Jan 21, 2028 EXPIRATION

ZTS $80.00 Call

ZTS280121C00080000

Latest saved OI504Oct 23, 2026
Last change-14vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
ZTS $80.00 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. 7073530 2026-10-02: 707 OI2026-10-05: 707 OI2026-10-06: 707 OI2026-10-07: 700 OI2026-10-08: 700 OI2026-10-09: 698 OI2026-10-12: 646 OI2026-10-14: 654 OI2026-10-15: 560 OI2026-10-16: 526 OI2026-10-21: 518 OI2026-10-23: 504 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, 2026Viewing504-14
Oct 21, 2026518-8
Oct 16, 2026526-34
Oct 15, 2026560-94
Oct 14, 2026654+8
Oct 12, 2026646-52
Oct 09, 2026698-2
Oct 08, 20267000
Oct 07, 2026700-7
Oct 06, 20267070
Oct 05, 20267070
Oct 02, 2026707No prior observation