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Contract OI history

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Feb 19, 2027 EXPIRATION

CAT $450.00 Put

CAT270219P00450000

Latest saved OI143Oct 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 $450.00 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. 149740 2026-10-02: 149 OI2026-10-05: 149 OI2026-10-06: 147 OI2026-10-07: 147 OI2026-10-08: 147 OI2026-10-09: 147 OI2026-10-13: 147 OI2026-10-14: 147 OI2026-10-15: 147 OI2026-10-16: 143 OI2026-10-21: 144 OI2026-10-23: 143 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, 2026Viewing143-1
Oct 21, 2026144+1
Oct 16, 2026143-4
Oct 15, 20261470
Oct 14, 20261470
Oct 13, 20261470
Oct 09, 20261470
Oct 08, 20261470
Oct 07, 20261470
Oct 06, 2026147-2
Oct 05, 20261490
Oct 02, 2026149No prior observation