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Contract OI history

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Oct 23, 2026 EXPIRATION

CIFR $21.50 Call

CIFR261023C00021500

Latest saved OI4,067Oct 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 $21.50 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. 4,0692,0340 2026-10-09: 4,068 OI2026-10-13: 4,069 OI2026-10-14: 4,069 OI2026-10-15: 4,069 OI2026-10-16: 4,068 OI2026-10-21: 4,067 OI2026-10-23: 4,067 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, 2026Viewing4,0670
Oct 21, 20264,067-1
Oct 16, 20264,068-1
Oct 15, 20264,0690
Oct 14, 20264,0690
Oct 13, 20264,069+1
Oct 09, 20264,068No prior observation