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Contract OI history

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Jan 21, 2028 EXPIRATION

ZTS $60.00 Call

ZTS280121C00060000

Latest saved OI655Oct 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 $60.00 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. 6953470 2026-10-02: 695 OI2026-10-05: 695 OI2026-10-06: 695 OI2026-10-07: 682 OI2026-10-08: 682 OI2026-10-09: 682 OI2026-10-12: 678 OI2026-10-14: 671 OI2026-10-15: 660 OI2026-10-16: 659 OI2026-10-21: 658 OI2026-10-23: 655 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, 2026Viewing655-3
Oct 21, 2026658-1
Oct 16, 2026659-1
Oct 15, 2026660-11
Oct 14, 2026671-7
Oct 12, 2026678-4
Oct 09, 20266820
Oct 08, 20266820
Oct 07, 2026682-13
Oct 06, 20266950
Oct 05, 20266950
Oct 02, 2026695No prior observation