OITracker Cboe delayed data

Contract OI history

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Jan 15, 2027 EXPIRATION

CNC $72.50 Put

CNC270115P00072500

Latest saved OI257Oct 23, 2026
Last change+27vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
CNC $72.50 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. 2571280 2026-10-02: 88 OI2026-10-05: 88 OI2026-10-06: 104 OI2026-10-07: 104 OI2026-10-08: 104 OI2026-10-09: 104 OI2026-10-13: 117 OI2026-10-14: 117 OI2026-10-15: 230 OI2026-10-16: 230 OI2026-10-21: 230 OI2026-10-23: 257 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, 2026Viewing257+27
Oct 21, 20262300
Oct 16, 20262300
Oct 15, 2026230+113
Oct 14, 20261170
Oct 13, 2026117+13
Oct 09, 20261040
Oct 08, 20261040
Oct 07, 20261040
Oct 06, 2026104+16
Oct 05, 2026880
Oct 02, 202688No prior observation