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Contract OI history

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Oct 23, 2026 EXPIRATION

CIFR $9.00 Put

CIFR261023P00009000

Latest saved OI2,553Oct 23, 2026
Last change+27vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
CIFR $9.00 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. 2,5531,2760 2026-10-09: 6 OI2026-10-13: 201 OI2026-10-14: 201 OI2026-10-15: 381 OI2026-10-16: 2,006 OI2026-10-21: 2,526 OI2026-10-23: 2,553 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, 2026Viewing2,553+27
Oct 21, 20262,526+520
Oct 16, 20262,006+1,625
Oct 15, 2026381+180
Oct 14, 20262010
Oct 13, 2026201+195
Oct 09, 20266No prior observation