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Contract OI history

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Dec 18, 2026 EXPIRATION

CAT $1000.00 Call

CAT261218C01000000

Latest saved OI786Oct 23, 2026
Last change-3vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
CAT $1000.00 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. 8094040 2026-10-02: 695 OI2026-10-05: 695 OI2026-10-06: 713 OI2026-10-07: 708 OI2026-10-08: 708 OI2026-10-09: 709 OI2026-10-13: 710 OI2026-10-14: 710 OI2026-10-15: 809 OI2026-10-16: 794 OI2026-10-21: 789 OI2026-10-23: 786 OI Oct 02, 2026Oct 23, 2026

All saved dates are shown. Changes compare consecutive saved observations. Missing observations are not filled with zero.

CAT contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing786-3
Oct 21, 2026789-5
Oct 16, 2026794-15
Oct 15, 2026809+99
Oct 14, 20267100
Oct 13, 2026710+1
Oct 09, 2026709+1
Oct 08, 20267080
Oct 07, 2026708-5
Oct 06, 2026713+18
Oct 05, 20266950
Oct 02, 2026695No prior observation