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Contract OI history

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Dec 18, 2026 EXPIRATION

CAT $530.00 Call

CAT261218C00530000

Latest saved OI189Oct 23, 2026
Last change+1vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
CAT $530.00 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. 189940 2026-10-02: 93 OI2026-10-05: 93 OI2026-10-06: 93 OI2026-10-07: 93 OI2026-10-08: 93 OI2026-10-09: 93 OI2026-10-13: 93 OI2026-10-14: 93 OI2026-10-15: 188 OI2026-10-16: 188 OI2026-10-21: 188 OI2026-10-23: 189 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, 2026Viewing189+1
Oct 21, 20261880
Oct 16, 20261880
Oct 15, 2026188+95
Oct 14, 2026930
Oct 13, 2026930
Oct 09, 2026930
Oct 08, 2026930
Oct 07, 2026930
Oct 06, 2026930
Oct 05, 2026930
Oct 02, 202693No prior observation