OITracker Cboe delayed data

Contract OI history

Back to CMG

Dec 18, 2026 EXPIRATION

CMG $27.50 Call

CMG261218C00027500

Latest saved OI678Oct 23, 2026
Last change+241vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
CMG $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. 6783390 2026-10-02: 328 OI2026-10-05: 303 OI2026-10-06: 293 OI2026-10-07: 293 OI2026-10-08: 293 OI2026-10-09: 303 OI2026-10-13: 351 OI2026-10-14: 351 OI2026-10-15: 352 OI2026-10-16: 425 OI2026-10-21: 437 OI2026-10-23: 678 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, 2026Viewing678+241
Oct 21, 2026437+12
Oct 16, 2026425+73
Oct 15, 2026352+1
Oct 14, 20263510
Oct 13, 2026351+48
Oct 09, 2026303+10
Oct 08, 20262930
Oct 07, 20262930
Oct 06, 2026293-10
Oct 05, 2026303-25
Oct 02, 2026328No prior observation