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Contract OI history

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Jan 21, 2028 EXPIRATION

CIFR $4.00 Call

CIFR280121C00004000

Latest saved OI2,727Oct 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 $4.00 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. 2,7271,3630 2026-10-09: 2,726 OI2026-10-13: 2,726 OI2026-10-14: 2,726 OI2026-10-15: 2,726 OI2026-10-16: 2,727 OI2026-10-21: 2,727 OI2026-10-23: 2,727 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, 2026Viewing2,7270
Oct 21, 20262,7270
Oct 16, 20262,727+1
Oct 15, 20262,7260
Oct 14, 20262,7260
Oct 13, 20262,7260
Oct 09, 20262,726No prior observation