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Contract OI history

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Oct 23, 2026 EXPIRATION

CIFR $8.50 Put

CIFR261023P00008500

Latest saved OI3,496Oct 23, 2026
Last change+445vs previous saved observation
Saved market days6Oct 13, 2026 onwards
Daily open interest Hover a point for its date and OI
CIFR $8.50 put open interest history 6 saved observations from 2026-10-13 to 2026-10-23. Exact values and changes are listed in the table below. 3,4961,7480 2026-10-13: 0 OI2026-10-14: 0 OI2026-10-15: 124 OI2026-10-16: 356 OI2026-10-21: 3,051 OI2026-10-23: 3,496 OI Oct 13, 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, 2026Viewing3,496+445
Oct 21, 20263,051+2,695
Oct 16, 2026356+232
Oct 15, 2026124+124
Oct 14, 202600
Oct 13, 20260No prior observation