OITracker Cboe delayed data

Contract OI history

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Oct 23, 2026 EXPIRATION

CNC $66.00 Put

CNC261023P00066000

Latest saved OI447Oct 23, 2026
Last change-11vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
CNC $66.00 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. 4582290 2026-10-02: 12 OI2026-10-05: 12 OI2026-10-06: 12 OI2026-10-07: 12 OI2026-10-08: 12 OI2026-10-09: 13 OI2026-10-13: 31 OI2026-10-14: 31 OI2026-10-15: 376 OI2026-10-16: 376 OI2026-10-21: 458 OI2026-10-23: 447 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, 2026Viewing447-11
Oct 21, 2026458+82
Oct 16, 20263760
Oct 15, 2026376+345
Oct 14, 2026310
Oct 13, 202631+18
Oct 09, 202613+1
Oct 08, 2026120
Oct 07, 2026120
Oct 06, 2026120
Oct 05, 2026120
Oct 02, 202612No prior observation