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Contract OI history

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Jun 17, 2027 EXPIRATION

ZTS $100.00 Call

ZTS270617C00100000

Latest saved OI510Oct 23, 2026
Last change-2vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
ZTS $100.00 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. 5132560 2026-10-02: 411 OI2026-10-05: 411 OI2026-10-06: 413 OI2026-10-07: 413 OI2026-10-08: 413 OI2026-10-09: 413 OI2026-10-12: 413 OI2026-10-14: 413 OI2026-10-15: 513 OI2026-10-16: 508 OI2026-10-21: 512 OI2026-10-23: 510 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, 2026Viewing510-2
Oct 21, 2026512+4
Oct 16, 2026508-5
Oct 15, 2026513+100
Oct 14, 20264130
Oct 12, 20264130
Oct 09, 20264130
Oct 08, 20264130
Oct 07, 20264130
Oct 06, 2026413+2
Oct 05, 20264110
Oct 02, 2026411No prior observation