OITracker Cboe delayed data

Contract OI history

Back to CMG

Dec 18, 2026 EXPIRATION

CMG $27.50 Put

CMG261218P00027500

Latest saved OI6,164Oct 23, 2026
Last change+362vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
CMG $27.50 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. 6,1643,0820 2026-10-02: 5,195 OI2026-10-05: 5,235 OI2026-10-06: 5,236 OI2026-10-07: 5,242 OI2026-10-08: 5,242 OI2026-10-09: 5,232 OI2026-10-13: 5,337 OI2026-10-14: 5,337 OI2026-10-15: 5,370 OI2026-10-16: 5,570 OI2026-10-21: 5,802 OI2026-10-23: 6,164 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, 2026Viewing6,164+362
Oct 21, 20265,802+232
Oct 16, 20265,570+200
Oct 15, 20265,370+33
Oct 14, 20265,3370
Oct 13, 20265,337+105
Oct 09, 20265,232-10
Oct 08, 20265,2420
Oct 07, 20265,242+6
Oct 06, 20265,236+1
Oct 05, 20265,235+40
Oct 02, 20265,195No prior observation