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Contract OI history

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Nov 20, 2026 EXPIRATION

CAT $730.00 Put

CAT261120P00730000

Latest saved OI492Oct 23, 2026
Last change-3vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
CAT $730.00 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. 4952470 2026-10-02: 341 OI2026-10-05: 341 OI2026-10-06: 371 OI2026-10-07: 416 OI2026-10-08: 416 OI2026-10-09: 442 OI2026-10-13: 457 OI2026-10-14: 457 OI2026-10-15: 469 OI2026-10-16: 472 OI2026-10-21: 495 OI2026-10-23: 492 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, 2026Viewing492-3
Oct 21, 2026495+23
Oct 16, 2026472+3
Oct 15, 2026469+12
Oct 14, 20264570
Oct 13, 2026457+15
Oct 09, 2026442+26
Oct 08, 20264160
Oct 07, 2026416+45
Oct 06, 2026371+30
Oct 05, 20263410
Oct 02, 2026341No prior observation