OITracker Cboe delayed data

Contract OI history

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Dec 18, 2026 EXPIRATION

CNC $72.50 Call

CNC261218C00072500

Latest saved OI1,113Oct 23, 2026
Last change+5vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
CNC $72.50 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. 1,1135560 2026-10-02: 748 OI2026-10-05: 876 OI2026-10-06: 894 OI2026-10-07: 894 OI2026-10-08: 894 OI2026-10-09: 894 OI2026-10-13: 893 OI2026-10-14: 893 OI2026-10-15: 893 OI2026-10-16: 1,011 OI2026-10-21: 1,108 OI2026-10-23: 1,113 OI Oct 02, 2026Oct 23, 2026

All saved dates are shown. Changes compare consecutive saved observations. Missing observations are not filled with zero.

CNC contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing1,113+5
Oct 21, 20261,108+97
Oct 16, 20261,011+118
Oct 15, 20268930
Oct 14, 20268930
Oct 13, 2026893-1
Oct 09, 20268940
Oct 08, 20268940
Oct 07, 20268940
Oct 06, 2026894+18
Oct 05, 2026876+128
Oct 02, 2026748No prior observation