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Contract OI history

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Oct 30, 2026 EXPIRATION

CIFR $7.50 Put

CIFR261030P00007500

Latest saved OI217Oct 23, 2026
Last change+104vs previous saved observation
Saved market days2Oct 21, 2026 onwards
Daily open interest Hover a point for its date and OI
CIFR $7.50 put open interest history 2 saved observations from 2026-10-21 to 2026-10-23. Exact values and changes are listed in the table below. 2171080 2026-10-21: 113 OI2026-10-23: 217 OI Oct 21, 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, 2026Viewing217+104
Oct 21, 2026113No prior observation