OITracker Cboe delayed data

Contract OI history

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Jan 15, 2027 EXPIRATION

CNC $27.50 Call

CNC270115C00027500

Latest saved OI2,388Oct 23, 2026
Last change-1vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
CNC $27.50 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. 2,3891,1940 2026-10-02: 2,389 OI2026-10-05: 2,389 OI2026-10-06: 2,389 OI2026-10-07: 2,389 OI2026-10-08: 2,389 OI2026-10-09: 2,389 OI2026-10-13: 2,389 OI2026-10-14: 2,389 OI2026-10-15: 2,389 OI2026-10-16: 2,389 OI2026-10-21: 2,389 OI2026-10-23: 2,388 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, 2026Viewing2,388-1
Oct 21, 20262,3890
Oct 16, 20262,3890
Oct 15, 20262,3890
Oct 14, 20262,3890
Oct 13, 20262,3890
Oct 09, 20262,3890
Oct 08, 20262,3890
Oct 07, 20262,3890
Oct 06, 20262,3890
Oct 05, 20262,3890
Oct 02, 20262,389No prior observation