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Contract OI history

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Nov 20, 2026 EXPIRATION

ZTS $90.00 Call

ZTS261120C00090000

Latest saved OI1,671Oct 23, 2026
Last change+653vs 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. 1,6718350 2026-10-02: 117 OI2026-10-05: 117 OI2026-10-06: 121 OI2026-10-07: 151 OI2026-10-08: 151 OI2026-10-09: 158 OI2026-10-12: 178 OI2026-10-14: 257 OI2026-10-15: 312 OI2026-10-16: 482 OI2026-10-21: 1,018 OI2026-10-23: 1,671 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, 2026Viewing1,671+653
Oct 21, 20261,018+536
Oct 16, 2026482+170
Oct 15, 2026312+55
Oct 14, 2026257+79
Oct 12, 2026178+20
Oct 09, 2026158+7
Oct 08, 20261510
Oct 07, 2026151+30
Oct 06, 2026121+4
Oct 05, 20261170
Oct 02, 2026117No prior observation