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Contract OI history

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Nov 06, 2026 EXPIRATION

CIFR $21.00 Call

CIFR261106C00021000

Latest saved OI217Oct 23, 2026
Last change0vs 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. 2171080 2026-10-09: 47 OI2026-10-13: 61 OI2026-10-14: 61 OI2026-10-15: 61 OI2026-10-16: 217 OI2026-10-21: 217 OI2026-10-23: 217 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, 2026Viewing2170
Oct 21, 20262170
Oct 16, 2026217+156
Oct 15, 2026610
Oct 14, 2026610
Oct 13, 202661+14
Oct 09, 202647No prior observation