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Contract OI history

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Jan 21, 2028 EXPIRATION

ZTS $90.00 Call

ZTS280121C00090000

Latest saved OI980Oct 23, 2026
Last change-1vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
ZTS $90.00 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. 9954970 2026-10-02: 993 OI2026-10-05: 994 OI2026-10-06: 995 OI2026-10-07: 995 OI2026-10-08: 995 OI2026-10-09: 989 OI2026-10-12: 986 OI2026-10-14: 986 OI2026-10-15: 986 OI2026-10-16: 984 OI2026-10-21: 981 OI2026-10-23: 980 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, 2026Viewing980-1
Oct 21, 2026981-3
Oct 16, 2026984-2
Oct 15, 20269860
Oct 14, 20269860
Oct 12, 2026986-3
Oct 09, 2026989-6
Oct 08, 20269950
Oct 07, 20269950
Oct 06, 2026995+1
Oct 05, 2026994+1
Oct 02, 2026993No prior observation