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Contract OI history

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Dec 18, 2026 EXPIRATION

CIFR $8.00 Put

CIFR261218P00008000

Latest saved OI6,018Oct 23, 2026
Last change+162vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
CIFR $8.00 put open interest history 7 saved observations from 2026-10-09 to 2026-10-23. Exact values and changes are listed in the table below. 6,0183,0090 2026-10-09: 5,353 OI2026-10-13: 5,495 OI2026-10-14: 5,495 OI2026-10-15: 5,494 OI2026-10-16: 5,405 OI2026-10-21: 5,856 OI2026-10-23: 6,018 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, 2026Viewing6,018+162
Oct 21, 20265,856+451
Oct 16, 20265,405-89
Oct 15, 20265,494-1
Oct 14, 20265,4950
Oct 13, 20265,495+142
Oct 09, 20265,353No prior observation