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Contract OI history

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Dec 18, 2026 EXPIRATION

CIFR $18.00 Call

CIFR261218C00018000

Latest saved OI4,494Oct 23, 2026
Last change+6vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
CIFR $18.00 call open interest history 7 saved observations from 2026-10-09 to 2026-10-23. Exact values and changes are listed in the table below. 4,6192,3090 2026-10-09: 2,748 OI2026-10-13: 4,007 OI2026-10-14: 4,007 OI2026-10-15: 4,619 OI2026-10-16: 4,618 OI2026-10-21: 4,488 OI2026-10-23: 4,494 OI Oct 09, 2026Oct 23, 2026

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

CIFR contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing4,494+6
Oct 21, 20264,488-130
Oct 16, 20264,618-1
Oct 15, 20264,619+612
Oct 14, 20264,0070
Oct 13, 20264,007+1,259
Oct 09, 20262,748No prior observation