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Contract OI history

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Oct 23, 2026 EXPIRATION

CAT $650.00 Put

CAT261023P00650000

Latest saved OI230Oct 23, 2026
Last change-12vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
CAT $650.00 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. 2421210 2026-10-02: 78 OI2026-10-05: 78 OI2026-10-06: 77 OI2026-10-07: 79 OI2026-10-08: 79 OI2026-10-09: 83 OI2026-10-13: 90 OI2026-10-14: 90 OI2026-10-15: 90 OI2026-10-16: 97 OI2026-10-21: 242 OI2026-10-23: 230 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, 2026Viewing230-12
Oct 21, 2026242+145
Oct 16, 202697+7
Oct 15, 2026900
Oct 14, 2026900
Oct 13, 202690+7
Oct 09, 202683+4
Oct 08, 2026790
Oct 07, 202679+2
Oct 06, 202677-1
Oct 05, 2026780
Oct 02, 202678No prior observation