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Contract OI history

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Nov 20, 2026 EXPIRATION

CAT $590.00 Put

CAT261120P00590000

Latest saved OI206Oct 23, 2026
Last change-5vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
CAT $590.00 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. 2111050 2026-10-02: 192 OI2026-10-05: 192 OI2026-10-06: 191 OI2026-10-07: 191 OI2026-10-08: 191 OI2026-10-09: 188 OI2026-10-13: 194 OI2026-10-14: 194 OI2026-10-15: 195 OI2026-10-16: 196 OI2026-10-21: 211 OI2026-10-23: 206 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, 2026Viewing206-5
Oct 21, 2026211+15
Oct 16, 2026196+1
Oct 15, 2026195+1
Oct 14, 20261940
Oct 13, 2026194+6
Oct 09, 2026188-3
Oct 08, 20261910
Oct 07, 20261910
Oct 06, 2026191-1
Oct 05, 20261920
Oct 02, 2026192No prior observation