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Contract OI history

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Dec 18, 2026 EXPIRATION

ZTS $100.00 Call

ZTS261218C00100000

Latest saved OI786Oct 23, 2026
Last change+7vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
ZTS $100.00 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. 8234110 2026-10-02: 805 OI2026-10-05: 823 OI2026-10-06: 823 OI2026-10-07: 822 OI2026-10-08: 822 OI2026-10-09: 822 OI2026-10-12: 819 OI2026-10-14: 820 OI2026-10-15: 821 OI2026-10-16: 782 OI2026-10-21: 779 OI2026-10-23: 786 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, 2026Viewing786+7
Oct 21, 2026779-3
Oct 16, 2026782-39
Oct 15, 2026821+1
Oct 14, 2026820+1
Oct 12, 2026819-3
Oct 09, 20268220
Oct 08, 20268220
Oct 07, 2026822-1
Oct 06, 20268230
Oct 05, 2026823+18
Oct 02, 2026805No prior observation