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Contract OI history

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Apr 16, 2027 EXPIRATION

ZTS $45.00 Put

ZTS270416P00045000

Latest saved OI483Oct 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. 4832410 2026-10-02: 15 OI2026-10-05: 15 OI2026-10-06: 15 OI2026-10-07: 15 OI2026-10-08: 15 OI2026-10-09: 15 OI2026-10-12: 15 OI2026-10-14: 483 OI2026-10-15: 483 OI2026-10-16: 483 OI2026-10-21: 483 OI2026-10-23: 483 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, 2026Viewing4830
Oct 21, 20264830
Oct 16, 20264830
Oct 15, 20264830
Oct 14, 2026483+468
Oct 12, 2026150
Oct 09, 2026150
Oct 08, 2026150
Oct 07, 2026150
Oct 06, 2026150
Oct 05, 2026150
Oct 02, 202615No prior observation