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Contract OI history

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Apr 16, 2027 EXPIRATION

ZTS $65.00 Put

ZTS270416P00065000

Latest saved OI72Oct 23, 2026
Last change-8vs 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. 82410 2026-10-02: 30 OI2026-10-05: 30 OI2026-10-06: 33 OI2026-10-07: 33 OI2026-10-08: 33 OI2026-10-09: 35 OI2026-10-12: 35 OI2026-10-14: 35 OI2026-10-15: 35 OI2026-10-16: 82 OI2026-10-21: 80 OI2026-10-23: 72 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, 2026Viewing72-8
Oct 21, 202680-2
Oct 16, 202682+47
Oct 15, 2026350
Oct 14, 2026350
Oct 12, 2026350
Oct 09, 202635+2
Oct 08, 2026330
Oct 07, 2026330
Oct 06, 202633+3
Oct 05, 2026300
Oct 02, 202630No prior observation