OITracker Cboe delayed data

Contract OI history

Back to CMG

Jan 21, 2028 EXPIRATION

CMG $40.00 Put

CMG280121P00040000

Latest saved OI2,716Oct 23, 2026
Last change+13vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
CMG $40.00 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. 2,7161,3580 2026-10-02: 2,710 OI2026-10-05: 2,710 OI2026-10-06: 2,710 OI2026-10-07: 2,711 OI2026-10-08: 2,711 OI2026-10-09: 2,712 OI2026-10-13: 2,712 OI2026-10-14: 2,712 OI2026-10-15: 2,712 OI2026-10-16: 2,701 OI2026-10-21: 2,703 OI2026-10-23: 2,716 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, 2026Viewing2,716+13
Oct 21, 20262,703+2
Oct 16, 20262,701-11
Oct 15, 20262,7120
Oct 14, 20262,7120
Oct 13, 20262,7120
Oct 09, 20262,712+1
Oct 08, 20262,7110
Oct 07, 20262,711+1
Oct 06, 20262,7100
Oct 05, 20262,7100
Oct 02, 20262,710No prior observation