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Contract OI history

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Sep 17, 2027 EXPIRATION

CMG $20.00 Put

CMG270917P00020000

Latest saved OI355Oct 23, 2026
Last change+11vs 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. 3551770 2026-10-02: 342 OI2026-10-05: 342 OI2026-10-06: 342 OI2026-10-07: 342 OI2026-10-08: 342 OI2026-10-09: 342 OI2026-10-13: 344 OI2026-10-14: 344 OI2026-10-15: 344 OI2026-10-16: 344 OI2026-10-21: 344 OI2026-10-23: 355 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, 2026Viewing355+11
Oct 21, 20263440
Oct 16, 20263440
Oct 15, 20263440
Oct 14, 20263440
Oct 13, 2026344+2
Oct 09, 20263420
Oct 08, 20263420
Oct 07, 20263420
Oct 06, 20263420
Oct 05, 20263420
Oct 02, 2026342No prior observation