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Contract OI history

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Mar 19, 2027 EXPIRATION

ZTS $90.00 Call

ZTS270319C00090000

Latest saved OI2,233Oct 23, 2026
Last change-9vs 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. 2,2421,1210 2026-10-02: 2,190 OI2026-10-05: 2,189 OI2026-10-06: 2,187 OI2026-10-07: 2,213 OI2026-10-08: 2,213 OI2026-10-09: 2,207 OI2026-10-12: 2,190 OI2026-10-14: 2,167 OI2026-10-15: 2,168 OI2026-10-16: 2,165 OI2026-10-21: 2,242 OI2026-10-23: 2,233 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, 2026Viewing2,233-9
Oct 21, 20262,242+77
Oct 16, 20262,165-3
Oct 15, 20262,168+1
Oct 14, 20262,167-23
Oct 12, 20262,190-17
Oct 09, 20262,207-6
Oct 08, 20262,2130
Oct 07, 20262,213+26
Oct 06, 20262,187-2
Oct 05, 20262,189-1
Oct 02, 20262,190No prior observation