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Contract OI history

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Dec 18, 2026 EXPIRATION

ZTS $80.00 Call

ZTS261218C00080000

Latest saved OI694Oct 23, 2026
Last change+13vs 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. 7213600 2026-10-02: 684 OI2026-10-05: 706 OI2026-10-06: 721 OI2026-10-07: 705 OI2026-10-08: 705 OI2026-10-09: 702 OI2026-10-12: 703 OI2026-10-14: 703 OI2026-10-15: 708 OI2026-10-16: 663 OI2026-10-21: 681 OI2026-10-23: 694 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, 2026Viewing694+13
Oct 21, 2026681+18
Oct 16, 2026663-45
Oct 15, 2026708+5
Oct 14, 20267030
Oct 12, 2026703+1
Oct 09, 2026702-3
Oct 08, 20267050
Oct 07, 2026705-16
Oct 06, 2026721+15
Oct 05, 2026706+22
Oct 02, 2026684No prior observation