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Contract OI history

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Dec 18, 2026 EXPIRATION

CAT $720.00 Put

CAT261218P00720000

Latest saved OI747Oct 23, 2026
Last change+11vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
CAT $720.00 put open interest history 12 saved observations from 2026-10-02 to 2026-10-23. Exact values and changes are listed in the table below. 7473730 2026-10-02: 696 OI2026-10-05: 692 OI2026-10-06: 689 OI2026-10-07: 698 OI2026-10-08: 698 OI2026-10-09: 715 OI2026-10-13: 729 OI2026-10-14: 729 OI2026-10-15: 731 OI2026-10-16: 731 OI2026-10-21: 736 OI2026-10-23: 747 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, 2026Viewing747+11
Oct 21, 2026736+5
Oct 16, 20267310
Oct 15, 2026731+2
Oct 14, 20267290
Oct 13, 2026729+14
Oct 09, 2026715+17
Oct 08, 20266980
Oct 07, 2026698+9
Oct 06, 2026689-3
Oct 05, 2026692-4
Oct 02, 2026696No prior observation