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Contract OI history

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Nov 20, 2026 EXPIRATION

ZTS $65.00 Put

ZTS261120P00065000

Latest saved OI2,859Oct 23, 2026
Last change+42vs 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. 2,8591,4290 2026-10-02: 1,677 OI2026-10-05: 1,825 OI2026-10-06: 1,891 OI2026-10-07: 1,939 OI2026-10-08: 1,939 OI2026-10-09: 2,019 OI2026-10-12: 2,066 OI2026-10-14: 2,229 OI2026-10-15: 2,253 OI2026-10-16: 2,262 OI2026-10-21: 2,817 OI2026-10-23: 2,859 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, 2026Viewing2,859+42
Oct 21, 20262,817+555
Oct 16, 20262,262+9
Oct 15, 20262,253+24
Oct 14, 20262,229+163
Oct 12, 20262,066+47
Oct 09, 20262,019+80
Oct 08, 20261,9390
Oct 07, 20261,939+48
Oct 06, 20261,891+66
Oct 05, 20261,825+148
Oct 02, 20261,677No prior observation