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Contract OI history

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Jan 21, 2028 EXPIRATION

ZTS $100.00 Call

ZTS280121C00100000

Latest saved OI929Oct 23, 2026
Last change-33vs 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. 1,0235110 2026-10-02: 991 OI2026-10-05: 982 OI2026-10-06: 984 OI2026-10-07: 1,021 OI2026-10-08: 1,021 OI2026-10-09: 1,021 OI2026-10-12: 1,023 OI2026-10-14: 1,004 OI2026-10-15: 1,000 OI2026-10-16: 970 OI2026-10-21: 962 OI2026-10-23: 929 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, 2026Viewing929-33
Oct 21, 2026962-8
Oct 16, 2026970-30
Oct 15, 20261,000-4
Oct 14, 20261,004-19
Oct 12, 20261,023+2
Oct 09, 20261,0210
Oct 08, 20261,0210
Oct 07, 20261,021+37
Oct 06, 2026984+2
Oct 05, 2026982-9
Oct 02, 2026991No prior observation