OITracker Cboe delayed data

Contract OI history

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Nov 20, 2026 EXPIRATION

CAT $740.00 Put

CAT261120P00740000

Latest saved OI541Oct 23, 2026
Last change+4vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
CAT $740.00 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. 5412700 2026-10-02: 425 OI2026-10-05: 423 OI2026-10-06: 427 OI2026-10-07: 506 OI2026-10-08: 506 OI2026-10-09: 515 OI2026-10-13: 514 OI2026-10-14: 514 OI2026-10-15: 512 OI2026-10-16: 508 OI2026-10-21: 537 OI2026-10-23: 541 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, 2026Viewing541+4
Oct 21, 2026537+29
Oct 16, 2026508-4
Oct 15, 2026512-2
Oct 14, 20265140
Oct 13, 2026514-1
Oct 09, 2026515+9
Oct 08, 20265060
Oct 07, 2026506+79
Oct 06, 2026427+4
Oct 05, 2026423-2
Oct 02, 2026425No prior observation