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Contract OI history

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Nov 20, 2026 EXPIRATION

ZTS $70.00 Put

ZTS261120P00070000

Latest saved OI1,703Oct 23, 2026
Last change+30vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
ZTS $70.00 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. 1,7038510 2026-10-02: 391 OI2026-10-05: 511 OI2026-10-06: 565 OI2026-10-07: 631 OI2026-10-08: 631 OI2026-10-09: 695 OI2026-10-12: 742 OI2026-10-14: 972 OI2026-10-15: 1,011 OI2026-10-16: 1,053 OI2026-10-21: 1,673 OI2026-10-23: 1,703 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, 2026Viewing1,703+30
Oct 21, 20261,673+620
Oct 16, 20261,053+42
Oct 15, 20261,011+39
Oct 14, 2026972+230
Oct 12, 2026742+47
Oct 09, 2026695+64
Oct 08, 20266310
Oct 07, 2026631+66
Oct 06, 2026565+54
Oct 05, 2026511+120
Oct 02, 2026391No prior observation