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Contract OI history

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Mar 19, 2027 EXPIRATION

ZTS $45.00 Put

ZTS270319P00045000

Latest saved OI2,567Oct 23, 2026
Last change0vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
ZTS $45.00 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. 2,5671,2830 2026-10-02: 83 OI2026-10-05: 83 OI2026-10-06: 77 OI2026-10-07: 1,847 OI2026-10-08: 1,847 OI2026-10-09: 1,847 OI2026-10-12: 1,847 OI2026-10-14: 2,567 OI2026-10-15: 2,567 OI2026-10-16: 2,567 OI2026-10-21: 2,567 OI2026-10-23: 2,567 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, 2026Viewing2,5670
Oct 21, 20262,5670
Oct 16, 20262,5670
Oct 15, 20262,5670
Oct 14, 20262,567+720
Oct 12, 20261,8470
Oct 09, 20261,8470
Oct 08, 20261,8470
Oct 07, 20261,847+1,770
Oct 06, 202677-6
Oct 05, 2026830
Oct 02, 202683No prior observation