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Contract OI history

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Oct 30, 2026 EXPIRATION

CIFR $8.50 Call

CIFR261030C00008500

Latest saved OI2,367Oct 23, 2026
Last change+1,812vs previous saved observation
Saved market days2Oct 21, 2026 onwards
Daily open interest Hover a point for its date and OI
CIFR $8.50 call open interest history 2 saved observations from 2026-10-21 to 2026-10-23. Exact values and changes are listed in the table below. 2,3671,1830 2026-10-21: 555 OI2026-10-23: 2,367 OI Oct 21, 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, 2026Viewing2,367+1,812
Oct 21, 2026555No prior observation