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Contract OI history

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Dec 18, 2026 EXPIRATION

CIFR $28.00 Call

CIFR261218C00028000

Latest saved OI607Oct 23, 2026
Last change-6vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
CIFR $28.00 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. 6193090 2026-10-09: 587 OI2026-10-13: 589 OI2026-10-14: 589 OI2026-10-15: 592 OI2026-10-16: 619 OI2026-10-21: 613 OI2026-10-23: 607 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, 2026Viewing607-6
Oct 21, 2026613-6
Oct 16, 2026619+27
Oct 15, 2026592+3
Oct 14, 20265890
Oct 13, 2026589+2
Oct 09, 2026587No prior observation