OITracker Cboe delayed data

Contract OI history

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Jan 15, 2027 EXPIRATION

CAT $1300.00 Call

CAT270115C01300000

Latest saved OI364Oct 23, 2026
Last change+1vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
CAT $1300.00 call open interest history 12 saved observations from 2026-10-02 to 2026-10-23. Exact values and changes are listed in the table below. 3651820 2026-10-02: 344 OI2026-10-05: 344 OI2026-10-06: 344 OI2026-10-07: 364 OI2026-10-08: 364 OI2026-10-09: 364 OI2026-10-13: 365 OI2026-10-14: 365 OI2026-10-15: 365 OI2026-10-16: 365 OI2026-10-21: 363 OI2026-10-23: 364 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, 2026Viewing364+1
Oct 21, 2026363-2
Oct 16, 20263650
Oct 15, 20263650
Oct 14, 20263650
Oct 13, 2026365+1
Oct 09, 20263640
Oct 08, 20263640
Oct 07, 2026364+20
Oct 06, 20263440
Oct 05, 20263440
Oct 02, 2026344No prior observation