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Contract OI history

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Dec 18, 2026 EXPIRATION

ZTS $70.00 Call

ZTS261218C00070000

Latest saved OI140Oct 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 $70.00 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. 147730 2026-10-02: 147 OI2026-10-05: 147 OI2026-10-06: 137 OI2026-10-07: 113 OI2026-10-08: 113 OI2026-10-09: 120 OI2026-10-12: 120 OI2026-10-14: 146 OI2026-10-15: 146 OI2026-10-16: 144 OI2026-10-21: 143 OI2026-10-23: 140 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, 2026Viewing140-3
Oct 21, 2026143-1
Oct 16, 2026144-2
Oct 15, 20261460
Oct 14, 2026146+26
Oct 12, 20261200
Oct 09, 2026120+7
Oct 08, 20261130
Oct 07, 2026113-24
Oct 06, 2026137-10
Oct 05, 20261470
Oct 02, 2026147No prior observation