OITracker Cboe delayed data

Contract OI history

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Jan 21, 2028 EXPIRATION

CNC $55.00 Call

CNC280121C00055000

Latest saved OI212Oct 23, 2026
Last change+21vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
CNC $55.00 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. 2121060 2026-10-02: 180 OI2026-10-05: 180 OI2026-10-06: 172 OI2026-10-07: 172 OI2026-10-08: 172 OI2026-10-09: 172 OI2026-10-13: 172 OI2026-10-14: 172 OI2026-10-15: 172 OI2026-10-16: 173 OI2026-10-21: 191 OI2026-10-23: 212 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, 2026Viewing212+21
Oct 21, 2026191+18
Oct 16, 2026173+1
Oct 15, 20261720
Oct 14, 20261720
Oct 13, 20261720
Oct 09, 20261720
Oct 08, 20261720
Oct 07, 20261720
Oct 06, 2026172-8
Oct 05, 20261800
Oct 02, 2026180No prior observation