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Contract OI history

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Nov 20, 2026 EXPIRATION

CIFR $21.00 Call

CIFR261120C00021000

Latest saved OI18,454Oct 23, 2026
Last change-40vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
CIFR $21.00 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. 18,4949,2470 2026-10-09: 18,386 OI2026-10-13: 18,405 OI2026-10-14: 18,405 OI2026-10-15: 18,379 OI2026-10-16: 18,379 OI2026-10-21: 18,494 OI2026-10-23: 18,454 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, 2026Viewing18,454-40
Oct 21, 202618,494+115
Oct 16, 202618,3790
Oct 15, 202618,379-26
Oct 14, 202618,4050
Oct 13, 202618,405+19
Oct 09, 202618,386No prior observation