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Contract OI history

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Dec 18, 2026 EXPIRATION

CAT $630.00 Put

CAT261218P00630000

Latest saved OI156Oct 23, 2026
Last change+14vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
CAT $630.00 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. 156780 2026-10-02: 68 OI2026-10-05: 63 OI2026-10-06: 66 OI2026-10-07: 68 OI2026-10-08: 68 OI2026-10-09: 68 OI2026-10-13: 69 OI2026-10-14: 69 OI2026-10-15: 86 OI2026-10-16: 86 OI2026-10-21: 142 OI2026-10-23: 156 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, 2026Viewing156+14
Oct 21, 2026142+56
Oct 16, 2026860
Oct 15, 202686+17
Oct 14, 2026690
Oct 13, 202669+1
Oct 09, 2026680
Oct 08, 2026680
Oct 07, 202668+2
Oct 06, 202666+3
Oct 05, 202663-5
Oct 02, 202668No prior observation