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Contract OI history

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Dec 18, 2026 EXPIRATION

CG $40.00 Put

CG261218P00040000

Latest saved OI13,346Oct 23, 2026
Last change0vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
CG $40.00 put open interest history 7 saved observations from 2026-10-09 to 2026-10-23. Exact values and changes are listed in the table below. 13,3536,6760 2026-10-09: 13,353 OI2026-10-13: 13,353 OI2026-10-14: 13,353 OI2026-10-15: 13,353 OI2026-10-16: 13,353 OI2026-10-21: 13,346 OI2026-10-23: 13,346 OI Oct 09, 2026Oct 23, 2026

All saved dates are shown. Changes compare consecutive saved observations. Missing observations are not filled with zero.

CG contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing13,3460
Oct 21, 202613,346-7
Oct 16, 202613,3530
Oct 15, 202613,3530
Oct 14, 202613,3530
Oct 13, 202613,3530
Oct 09, 202613,353No prior observation