OITracker Cboe delayed data

Contract OI history

Back to CMG

Jan 21, 2028 EXPIRATION

CMG $40.00 Call

CMG280121C00040000

Latest saved OI3,918Oct 23, 2026
Last change+46vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
CMG $40.00 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. 3,9181,9590 2026-10-02: 3,634 OI2026-10-05: 3,634 OI2026-10-06: 3,664 OI2026-10-07: 3,687 OI2026-10-08: 3,687 OI2026-10-09: 3,723 OI2026-10-13: 3,832 OI2026-10-14: 3,832 OI2026-10-15: 3,843 OI2026-10-16: 3,851 OI2026-10-21: 3,872 OI2026-10-23: 3,918 OI Oct 02, 2026Oct 23, 2026

All saved dates are shown. Changes compare consecutive saved observations. Missing observations are not filled with zero.

CMG contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing3,918+46
Oct 21, 20263,872+21
Oct 16, 20263,851+8
Oct 15, 20263,843+11
Oct 14, 20263,8320
Oct 13, 20263,832+109
Oct 09, 20263,723+36
Oct 08, 20263,6870
Oct 07, 20263,687+23
Oct 06, 20263,664+30
Oct 05, 20263,6340
Oct 02, 20263,634No prior observation