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Contract OI history

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Jan 21, 2028 EXPIRATION

ZTS $75.00 Call

ZTS280121C00075000

Latest saved OI36,745Oct 23, 2026
Last change-20vs 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. 36,89518,4470 2026-10-02: 36,884 OI2026-10-05: 36,863 OI2026-10-06: 36,880 OI2026-10-07: 36,895 OI2026-10-08: 36,895 OI2026-10-09: 36,865 OI2026-10-12: 36,848 OI2026-10-14: 36,817 OI2026-10-15: 36,817 OI2026-10-16: 36,802 OI2026-10-21: 36,765 OI2026-10-23: 36,745 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, 2026Viewing36,745-20
Oct 21, 202636,765-37
Oct 16, 202636,802-15
Oct 15, 202636,8170
Oct 14, 202636,817-31
Oct 12, 202636,848-17
Oct 09, 202636,865-30
Oct 08, 202636,8950
Oct 07, 202636,895+15
Oct 06, 202636,880+17
Oct 05, 202636,863-21
Oct 02, 202636,884No prior observation