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Contract OI history

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Oct 30, 2026 EXPIRATION

CIFR $6.50 Put

CIFR261030P00006500

Latest saved OI216Oct 23, 2026
Last change+4vs previous saved observation
Saved market days4Oct 15, 2026 onwards
Daily open interest Hover a point for its date and OI
CIFR $6.50 put open interest history 4 saved observations from 2026-10-15 to 2026-10-23. Exact values and changes are listed in the table below. 2161080 2026-10-15: 0 OI2026-10-16: 0 OI2026-10-21: 212 OI2026-10-23: 216 OI Oct 15, 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, 2026Viewing216+4
Oct 21, 2026212+212
Oct 16, 202600
Oct 15, 20260No prior observation