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Contract OI history

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Mar 19, 2027 EXPIRATION

CMG $40.00 Put

CMG270319P00040000

Latest saved OI641Oct 23, 2026
Last change+381vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
CMG $40.00 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. 6413200 2026-10-02: 254 OI2026-10-05: 254 OI2026-10-06: 258 OI2026-10-07: 258 OI2026-10-08: 258 OI2026-10-09: 258 OI2026-10-13: 259 OI2026-10-14: 259 OI2026-10-15: 259 OI2026-10-16: 259 OI2026-10-21: 260 OI2026-10-23: 641 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, 2026Viewing641+381
Oct 21, 2026260+1
Oct 16, 20262590
Oct 15, 20262590
Oct 14, 20262590
Oct 13, 2026259+1
Oct 09, 20262580
Oct 08, 20262580
Oct 07, 20262580
Oct 06, 2026258+4
Oct 05, 20262540
Oct 02, 2026254No prior observation