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Contract OI history

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Jan 15, 2027 EXPIRATION

ZTS $75.00 Call

ZTS270115C00075000

Latest saved OI588Oct 23, 2026
Last change-23vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
ZTS $75.00 call open interest history 12 saved observations from 2026-10-02 to 2026-10-23. Exact values and changes are listed in the table below. 6213100 2026-10-02: 621 OI2026-10-05: 620 OI2026-10-06: 615 OI2026-10-07: 621 OI2026-10-08: 621 OI2026-10-09: 586 OI2026-10-12: 587 OI2026-10-14: 600 OI2026-10-15: 603 OI2026-10-16: 611 OI2026-10-21: 611 OI2026-10-23: 588 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, 2026Viewing588-23
Oct 21, 20266110
Oct 16, 2026611+8
Oct 15, 2026603+3
Oct 14, 2026600+13
Oct 12, 2026587+1
Oct 09, 2026586-35
Oct 08, 20266210
Oct 07, 2026621+6
Oct 06, 2026615-5
Oct 05, 2026620-1
Oct 02, 2026621No prior observation