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Contract OI history

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Nov 20, 2026 EXPIRATION

CG $40.00 Put

CG261120P00040000

Latest saved OI289Oct 23, 2026
Last change+1vs 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. 2991490 2026-10-09: 269 OI2026-10-13: 269 OI2026-10-14: 299 OI2026-10-15: 288 OI2026-10-16: 288 OI2026-10-21: 288 OI2026-10-23: 289 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, 2026Viewing289+1
Oct 21, 20262880
Oct 16, 20262880
Oct 15, 2026288-11
Oct 14, 2026299+30
Oct 13, 20262690
Oct 09, 2026269No prior observation