OITracker Cboe delayed data

Contract OI history

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Oct 23, 2026 EXPIRATION

CAT $780.00 Put

CAT261023P00780000

Latest saved OI31Oct 23, 2026
Last change-292vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
CAT $780.00 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. 3481740 2026-10-02: 67 OI2026-10-05: 74 OI2026-10-06: 70 OI2026-10-07: 79 OI2026-10-08: 79 OI2026-10-09: 335 OI2026-10-13: 348 OI2026-10-14: 348 OI2026-10-15: 348 OI2026-10-16: 347 OI2026-10-21: 323 OI2026-10-23: 31 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, 2026Viewing31-292
Oct 21, 2026323-24
Oct 16, 2026347-1
Oct 15, 20263480
Oct 14, 20263480
Oct 13, 2026348+13
Oct 09, 2026335+256
Oct 08, 2026790
Oct 07, 202679+9
Oct 06, 202670-4
Oct 05, 202674+7
Oct 02, 202667No prior observation