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Contract OI history

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Jan 21, 2028 EXPIRATION

CAT $230.00 Put

CAT280121P00230000

Latest saved OI1,476Oct 23, 2026
Last change+133vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
CAT $230.00 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. 1,4767380 2026-10-02: 1,344 OI2026-10-05: 1,344 OI2026-10-06: 1,344 OI2026-10-07: 1,344 OI2026-10-08: 1,344 OI2026-10-09: 1,345 OI2026-10-13: 1,343 OI2026-10-14: 1,343 OI2026-10-15: 1,343 OI2026-10-16: 1,343 OI2026-10-21: 1,343 OI2026-10-23: 1,476 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, 2026Viewing1,476+133
Oct 21, 20261,3430
Oct 16, 20261,3430
Oct 15, 20261,3430
Oct 14, 20261,3430
Oct 13, 20261,343-2
Oct 09, 20261,345+1
Oct 08, 20261,3440
Oct 07, 20261,3440
Oct 06, 20261,3440
Oct 05, 20261,3440
Oct 02, 20261,344No prior observation