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Contract OI history

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Nov 13, 2026 EXPIRATION

CAT $685.00 Put

CAT261113P00685000

Latest saved OI7Oct 23, 2026
Last change0vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
CAT $685.00 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. 730 2026-10-02: 0 OI2026-10-05: 1 OI2026-10-06: 1 OI2026-10-07: 1 OI2026-10-08: 1 OI2026-10-09: 3 OI2026-10-13: 4 OI2026-10-14: 4 OI2026-10-15: 6 OI2026-10-16: 6 OI2026-10-21: 7 OI2026-10-23: 7 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, 2026Viewing70
Oct 21, 20267+1
Oct 16, 202660
Oct 15, 20266+2
Oct 14, 202640
Oct 13, 20264+1
Oct 09, 20263+2
Oct 08, 202610
Oct 07, 202610
Oct 06, 202610
Oct 05, 20261+1
Oct 02, 20260No prior observation