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Contract OI history

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Jan 21, 2028 EXPIRATION

CMG $27.50 Put

CMG280121P00027500

Latest saved OI2,810Oct 23, 2026
Last change+17vs 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. 2,8111,4050 2026-10-02: 2,708 OI2026-10-05: 2,774 OI2026-10-06: 2,806 OI2026-10-07: 2,806 OI2026-10-08: 2,806 OI2026-10-09: 2,797 OI2026-10-13: 2,811 OI2026-10-14: 2,811 OI2026-10-15: 2,811 OI2026-10-16: 2,811 OI2026-10-21: 2,793 OI2026-10-23: 2,810 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, 2026Viewing2,810+17
Oct 21, 20262,793-18
Oct 16, 20262,8110
Oct 15, 20262,8110
Oct 14, 20262,8110
Oct 13, 20262,811+14
Oct 09, 20262,797-9
Oct 08, 20262,8060
Oct 07, 20262,8060
Oct 06, 20262,806+32
Oct 05, 20262,774+66
Oct 02, 20262,708No prior observation