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Contract OI history

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Dec 18, 2026 EXPIRATION

ZTS $70.00 Put

ZTS261218P00070000

Latest saved OI1,569Oct 23, 2026
Last change-84vs 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. 1,6538260 2026-10-02: 1,508 OI2026-10-05: 1,526 OI2026-10-06: 1,527 OI2026-10-07: 1,594 OI2026-10-08: 1,594 OI2026-10-09: 1,600 OI2026-10-12: 1,591 OI2026-10-14: 1,564 OI2026-10-15: 1,553 OI2026-10-16: 1,548 OI2026-10-21: 1,653 OI2026-10-23: 1,569 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, 2026Viewing1,569-84
Oct 21, 20261,653+105
Oct 16, 20261,548-5
Oct 15, 20261,553-11
Oct 14, 20261,564-27
Oct 12, 20261,591-9
Oct 09, 20261,600+6
Oct 08, 20261,5940
Oct 07, 20261,594+67
Oct 06, 20261,527+1
Oct 05, 20261,526+18
Oct 02, 20261,508No prior observation