OITracker Cboe delayed data

Contract OI history

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Sep 17, 2027 EXPIRATION

CAT $1300.00 Call

CAT270917C01300000

Latest saved OI2Oct 23, 2026
Last change+1vs previous saved observation
Saved market days10Oct 06, 2026 onwards
Daily open interest Hover a point for its date and OI
CAT $1300.00 call open interest history 10 saved observations from 2026-10-06 to 2026-10-23. Exact values and changes are listed in the table below. 210 2026-10-06: 0 OI2026-10-07: 0 OI2026-10-08: 0 OI2026-10-09: 0 OI2026-10-13: 1 OI2026-10-14: 1 OI2026-10-15: 1 OI2026-10-16: 1 OI2026-10-21: 1 OI2026-10-23: 2 OI Oct 06, 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, 2026Viewing2+1
Oct 21, 202610
Oct 16, 202610
Oct 15, 202610
Oct 14, 202610
Oct 13, 20261+1
Oct 09, 202600
Oct 08, 202600
Oct 07, 202600
Oct 06, 20260No prior observation