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Contract OI history

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Dec 18, 2026 EXPIRATION

CIFR $27.00 Call

CIFR261218C00027000

Latest saved OI2,522Oct 23, 2026
Last change-7vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
CIFR $27.00 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. 2,5391,2690 2026-10-09: 2,483 OI2026-10-13: 2,519 OI2026-10-14: 2,519 OI2026-10-15: 2,539 OI2026-10-16: 2,529 OI2026-10-21: 2,529 OI2026-10-23: 2,522 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, 2026Viewing2,522-7
Oct 21, 20262,5290
Oct 16, 20262,529-10
Oct 15, 20262,539+20
Oct 14, 20262,5190
Oct 13, 20262,519+36
Oct 09, 20262,483No prior observation