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Contract OI history

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Nov 20, 2026 EXPIRATION

ZTS $75.00 Call

ZTS261120C00075000

Latest saved OI1,516Oct 23, 2026
Last change-20vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
ZTS $75.00 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. 1,5367680 2026-10-02: 427 OI2026-10-05: 500 OI2026-10-06: 555 OI2026-10-07: 664 OI2026-10-08: 664 OI2026-10-09: 802 OI2026-10-12: 903 OI2026-10-14: 1,135 OI2026-10-15: 1,262 OI2026-10-16: 1,489 OI2026-10-21: 1,536 OI2026-10-23: 1,516 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, 2026Viewing1,516-20
Oct 21, 20261,536+47
Oct 16, 20261,489+227
Oct 15, 20261,262+127
Oct 14, 20261,135+232
Oct 12, 2026903+101
Oct 09, 2026802+138
Oct 08, 20266640
Oct 07, 2026664+109
Oct 06, 2026555+55
Oct 05, 2026500+73
Oct 02, 2026427No prior observation