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Contract OI history

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Nov 20, 2026 EXPIRATION

CIFR $20.00 Put

CIFR261120P00020000

Latest saved OI347Oct 23, 2026
Last change-270vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
CIFR $20.00 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. 1,0215100 2026-10-09: 1,021 OI2026-10-13: 898 OI2026-10-14: 898 OI2026-10-15: 891 OI2026-10-16: 882 OI2026-10-21: 617 OI2026-10-23: 347 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, 2026Viewing347-270
Oct 21, 2026617-265
Oct 16, 2026882-9
Oct 15, 2026891-7
Oct 14, 20268980
Oct 13, 2026898-123
Oct 09, 20261,021No prior observation