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Contract OI history

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Jun 17, 2027 EXPIRATION

CIFR $8.00 Put

CIFR270617P00008000

Latest saved OI3,544Oct 23, 2026
Last change+3,455vs 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. 3,5441,7720 2026-10-09: 0 OI2026-10-13: 1 OI2026-10-14: 1 OI2026-10-15: 64 OI2026-10-16: 72 OI2026-10-21: 89 OI2026-10-23: 3,544 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, 2026Viewing3,544+3,455
Oct 21, 202689+17
Oct 16, 202672+8
Oct 15, 202664+63
Oct 14, 202610
Oct 13, 20261+1
Oct 09, 20260No prior observation