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Contract OI history

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Jan 21, 2028 EXPIRATION

CMG $20.00 Put

CMG280121P00020000

Latest saved OI1,371Oct 23, 2026
Last change+40vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
CMG $20.00 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. 1,3716850 2026-10-02: 746 OI2026-10-05: 746 OI2026-10-06: 746 OI2026-10-07: 745 OI2026-10-08: 745 OI2026-10-09: 746 OI2026-10-13: 746 OI2026-10-14: 746 OI2026-10-15: 1,344 OI2026-10-16: 1,344 OI2026-10-21: 1,331 OI2026-10-23: 1,371 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, 2026Viewing1,371+40
Oct 21, 20261,331-13
Oct 16, 20261,3440
Oct 15, 20261,344+598
Oct 14, 20267460
Oct 13, 20267460
Oct 09, 2026746+1
Oct 08, 20267450
Oct 07, 2026745-1
Oct 06, 20267460
Oct 05, 20267460
Oct 02, 2026746No prior observation