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Contract OI history

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Dec 18, 2026 EXPIRATION

ZTS $65.00 Put

ZTS261218P00065000

Latest saved OI1,839Oct 23, 2026
Last change-201vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
ZTS $65.00 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. 2,1671,0830 2026-10-02: 2,148 OI2026-10-05: 2,153 OI2026-10-06: 2,167 OI2026-10-07: 2,151 OI2026-10-08: 2,151 OI2026-10-09: 2,151 OI2026-10-12: 2,142 OI2026-10-14: 2,136 OI2026-10-15: 1,845 OI2026-10-16: 1,903 OI2026-10-21: 2,040 OI2026-10-23: 1,839 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, 2026Viewing1,839-201
Oct 21, 20262,040+137
Oct 16, 20261,903+58
Oct 15, 20261,845-291
Oct 14, 20262,136-6
Oct 12, 20262,142-9
Oct 09, 20262,1510
Oct 08, 20262,1510
Oct 07, 20262,151-16
Oct 06, 20262,167+14
Oct 05, 20262,153+5
Oct 02, 20262,148No prior observation