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Contract OI history

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Nov 20, 2026 EXPIRATION

ZTS $80.00 Call

ZTS261120C00080000

Latest saved OI2,652Oct 23, 2026
Last change+111vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
ZTS $80.00 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. 2,6521,3260 2026-10-02: 1,127 OI2026-10-05: 1,170 OI2026-10-06: 1,224 OI2026-10-07: 1,314 OI2026-10-08: 1,314 OI2026-10-09: 1,371 OI2026-10-12: 1,678 OI2026-10-14: 1,815 OI2026-10-15: 1,893 OI2026-10-16: 2,017 OI2026-10-21: 2,541 OI2026-10-23: 2,652 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, 2026Viewing2,652+111
Oct 21, 20262,541+524
Oct 16, 20262,017+124
Oct 15, 20261,893+78
Oct 14, 20261,815+137
Oct 12, 20261,678+307
Oct 09, 20261,371+57
Oct 08, 20261,3140
Oct 07, 20261,314+90
Oct 06, 20261,224+54
Oct 05, 20261,170+43
Oct 02, 20261,127No prior observation