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Contract OI history

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Nov 20, 2026 EXPIRATION

CMG $28.50 Put

CMG261120P00028500

Latest saved OI677Oct 23, 2026
Last change+593vs previous saved observation
Saved market days2Oct 21, 2026 onwards
Daily open interest Hover a point for its date and OI
CMG $28.50 put open interest history 2 saved observations from 2026-10-21 to 2026-10-23. Exact values and changes are listed in the table below. 6773380 2026-10-21: 84 OI2026-10-23: 677 OI Oct 21, 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, 2026Viewing677+593
Oct 21, 202684No prior observation