OITracker Cboe delayed data

Contract OI history

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Sep 17, 2027 EXPIRATION

CNC $57.50 Put

CNC270917P00057500

Latest saved OI336Oct 23, 2026
Last change0vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
CNC $57.50 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. 3361680 2026-10-02: 326 OI2026-10-05: 326 OI2026-10-06: 335 OI2026-10-07: 335 OI2026-10-08: 335 OI2026-10-09: 336 OI2026-10-13: 336 OI2026-10-14: 336 OI2026-10-15: 336 OI2026-10-16: 336 OI2026-10-21: 336 OI2026-10-23: 336 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, 2026Viewing3360
Oct 21, 20263360
Oct 16, 20263360
Oct 15, 20263360
Oct 14, 20263360
Oct 13, 20263360
Oct 09, 2026336+1
Oct 08, 20263350
Oct 07, 20263350
Oct 06, 2026335+9
Oct 05, 20263260
Oct 02, 2026326No prior observation