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Contract OI history

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Mar 19, 2027 EXPIRATION

ZTS $65.00 Put

ZTS270319P00065000

Latest saved OI709Oct 23, 2026
Last change+18vs 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. 7133560 2026-10-02: 474 OI2026-10-05: 468 OI2026-10-06: 468 OI2026-10-07: 450 OI2026-10-08: 450 OI2026-10-09: 713 OI2026-10-12: 712 OI2026-10-14: 698 OI2026-10-15: 698 OI2026-10-16: 693 OI2026-10-21: 691 OI2026-10-23: 709 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, 2026Viewing709+18
Oct 21, 2026691-2
Oct 16, 2026693-5
Oct 15, 20266980
Oct 14, 2026698-14
Oct 12, 2026712-1
Oct 09, 2026713+263
Oct 08, 20264500
Oct 07, 2026450-18
Oct 06, 20264680
Oct 05, 2026468-6
Oct 02, 2026474No prior observation