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Contract OI history

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Jan 21, 2028 EXPIRATION

CIFR $17.00 Put

CIFR280121P00017000

Latest saved OI2,269Oct 23, 2026
Last change+41vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
CIFR $17.00 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. 2,2691,1340 2026-10-09: 2,103 OI2026-10-13: 2,083 OI2026-10-14: 2,083 OI2026-10-15: 2,089 OI2026-10-16: 2,188 OI2026-10-21: 2,228 OI2026-10-23: 2,269 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, 2026Viewing2,269+41
Oct 21, 20262,228+40
Oct 16, 20262,188+99
Oct 15, 20262,089+6
Oct 14, 20262,0830
Oct 13, 20262,083-20
Oct 09, 20262,103No prior observation