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Contract OI history

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Oct 23, 2026 EXPIRATION

CIFR $13.50 Put

CIFR261023P00013500

Latest saved OI5Oct 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 $13.50 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. 7233610 2026-10-09: 688 OI2026-10-13: 723 OI2026-10-14: 723 OI2026-10-15: 701 OI2026-10-16: 630 OI2026-10-21: 5 OI2026-10-23: 5 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, 2026Viewing50
Oct 21, 20265-625
Oct 16, 2026630-71
Oct 15, 2026701-22
Oct 14, 20267230
Oct 13, 2026723+35
Oct 09, 2026688No prior observation