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Contract OI history

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Jan 15, 2027 EXPIRATION

ZTS $50.00 Put

ZTS270115P00050000

Latest saved OI315Oct 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 $50.00 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. 3171580 2026-10-02: 317 OI2026-10-05: 317 OI2026-10-06: 317 OI2026-10-07: 317 OI2026-10-08: 317 OI2026-10-09: 317 OI2026-10-12: 316 OI2026-10-14: 316 OI2026-10-15: 315 OI2026-10-16: 315 OI2026-10-21: 315 OI2026-10-23: 315 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, 2026Viewing3150
Oct 21, 20263150
Oct 16, 20263150
Oct 15, 2026315-1
Oct 14, 20263160
Oct 12, 2026316-1
Oct 09, 20263170
Oct 08, 20263170
Oct 07, 20263170
Oct 06, 20263170
Oct 05, 20263170
Oct 02, 2026317No prior observation