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Contract OI history

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Jun 17, 2027 EXPIRATION

ZTS $65.00 Put

ZTS270617P00065000

Latest saved OI242Oct 23, 2026
Last change+5vs 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. 2501250 2026-10-02: 250 OI2026-10-05: 250 OI2026-10-06: 250 OI2026-10-07: 245 OI2026-10-08: 245 OI2026-10-09: 248 OI2026-10-12: 248 OI2026-10-14: 247 OI2026-10-15: 236 OI2026-10-16: 237 OI2026-10-21: 237 OI2026-10-23: 242 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, 2026Viewing242+5
Oct 21, 20262370
Oct 16, 2026237+1
Oct 15, 2026236-11
Oct 14, 2026247-1
Oct 12, 20262480
Oct 09, 2026248+3
Oct 08, 20262450
Oct 07, 2026245-5
Oct 06, 20262500
Oct 05, 20262500
Oct 02, 2026250No prior observation