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Contract OI history

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Mar 19, 2027 EXPIRATION

ZTS $80.00 Call

ZTS270319C00080000

Latest saved OI999Oct 23, 2026
Last change+1vs 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. 9994990 2026-10-02: 436 OI2026-10-05: 437 OI2026-10-06: 779 OI2026-10-07: 790 OI2026-10-08: 790 OI2026-10-09: 800 OI2026-10-12: 814 OI2026-10-14: 991 OI2026-10-15: 994 OI2026-10-16: 999 OI2026-10-21: 998 OI2026-10-23: 999 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, 2026Viewing999+1
Oct 21, 2026998-1
Oct 16, 2026999+5
Oct 15, 2026994+3
Oct 14, 2026991+177
Oct 12, 2026814+14
Oct 09, 2026800+10
Oct 08, 20267900
Oct 07, 2026790+11
Oct 06, 2026779+342
Oct 05, 2026437+1
Oct 02, 2026436No prior observation