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Contract OI history

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Jan 15, 2027 EXPIRATION

CGEM $20.00 Call

CGEM270115C00020000

Latest saved OI386Oct 23, 2026
Last change0vs previous saved observation
Saved market days7Oct 08, 2026 onwards
Daily open interest Hover a point for its date and OI
CGEM $20.00 call open interest history 7 saved observations from 2026-10-08 to 2026-10-23. Exact values and changes are listed in the table below. 4132060 2026-10-08: 413 OI2026-10-09: 376 OI2026-10-13: 376 OI2026-10-14: 376 OI2026-10-16: 376 OI2026-10-20: 386 OI2026-10-23: 386 OI Oct 08, 2026Oct 23, 2026

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

CGEM contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing3860
Oct 20, 2026386+10
Oct 16, 20263760
Oct 14, 20263760
Oct 13, 20263760
Oct 09, 2026376-37
Oct 08, 2026413No prior observation