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Contract OI history

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Dec 18, 2026 EXPIRATION

ZTS $75.00 Put

ZTS261218P00075000

Latest saved OI945Oct 23, 2026
Last change-9vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
ZTS $75.00 put open interest history 12 saved observations from 2026-10-02 to 2026-10-23. Exact values and changes are listed in the table below. 1,0225110 2026-10-02: 1,022 OI2026-10-05: 1,011 OI2026-10-06: 1,019 OI2026-10-07: 1,017 OI2026-10-08: 1,017 OI2026-10-09: 1,012 OI2026-10-12: 999 OI2026-10-14: 970 OI2026-10-15: 960 OI2026-10-16: 952 OI2026-10-21: 954 OI2026-10-23: 945 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, 2026Viewing945-9
Oct 21, 2026954+2
Oct 16, 2026952-8
Oct 15, 2026960-10
Oct 14, 2026970-29
Oct 12, 2026999-13
Oct 09, 20261,012-5
Oct 08, 20261,0170
Oct 07, 20261,017-2
Oct 06, 20261,019+8
Oct 05, 20261,011-11
Oct 02, 20261,022No prior observation