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Contract OI history

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Jun 17, 2027 EXPIRATION

CAT $680.00 Put

CAT270617P00680000

Latest saved OI754Oct 23, 2026
Last change+89vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
CAT $680.00 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. 7543770 2026-10-02: 414 OI2026-10-05: 413 OI2026-10-06: 413 OI2026-10-07: 413 OI2026-10-08: 413 OI2026-10-09: 413 OI2026-10-13: 413 OI2026-10-14: 413 OI2026-10-15: 659 OI2026-10-16: 663 OI2026-10-21: 665 OI2026-10-23: 754 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, 2026Viewing754+89
Oct 21, 2026665+2
Oct 16, 2026663+4
Oct 15, 2026659+246
Oct 14, 20264130
Oct 13, 20264130
Oct 09, 20264130
Oct 08, 20264130
Oct 07, 20264130
Oct 06, 20264130
Oct 05, 2026413-1
Oct 02, 2026414No prior observation