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Contract OI history

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Jan 15, 2027 EXPIRATION

ZTS $75.00 Put

ZTS270115P00075000

Latest saved OI2,837Oct 23, 2026
Last change+4vs 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. 2,8371,4180 2026-10-02: 2,819 OI2026-10-05: 2,822 OI2026-10-06: 2,823 OI2026-10-07: 2,822 OI2026-10-08: 2,822 OI2026-10-09: 2,828 OI2026-10-12: 2,829 OI2026-10-14: 2,824 OI2026-10-15: 2,835 OI2026-10-16: 2,823 OI2026-10-21: 2,833 OI2026-10-23: 2,837 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, 2026Viewing2,837+4
Oct 21, 20262,833+10
Oct 16, 20262,823-12
Oct 15, 20262,835+11
Oct 14, 20262,824-5
Oct 12, 20262,829+1
Oct 09, 20262,828+6
Oct 08, 20262,8220
Oct 07, 20262,822-1
Oct 06, 20262,823+1
Oct 05, 20262,822+3
Oct 02, 20262,819No prior observation