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Contract OI history

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Dec 18, 2026 EXPIRATION

ZTS $90.00 Call

ZTS261218C00090000

Latest saved OI1,032Oct 23, 2026
Last change+59vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
ZTS $90.00 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. 1,0325160 2026-10-02: 922 OI2026-10-05: 922 OI2026-10-06: 927 OI2026-10-07: 927 OI2026-10-08: 927 OI2026-10-09: 926 OI2026-10-12: 924 OI2026-10-14: 922 OI2026-10-15: 920 OI2026-10-16: 929 OI2026-10-21: 973 OI2026-10-23: 1,032 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, 2026Viewing1,032+59
Oct 21, 2026973+44
Oct 16, 2026929+9
Oct 15, 2026920-2
Oct 14, 2026922-2
Oct 12, 2026924-2
Oct 09, 2026926-1
Oct 08, 20269270
Oct 07, 20269270
Oct 06, 2026927+5
Oct 05, 20269220
Oct 02, 2026922No prior observation