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Contract OI history

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Jan 15, 2027 EXPIRATION

CIFR $18.00 Put

CIFR270115P00018000

Latest saved OI2,066Oct 23, 2026
Last change0vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
CIFR $18.00 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. 2,0661,0330 2026-10-09: 2,062 OI2026-10-13: 2,062 OI2026-10-14: 2,062 OI2026-10-15: 2,062 OI2026-10-16: 2,062 OI2026-10-21: 2,066 OI2026-10-23: 2,066 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, 2026Viewing2,0660
Oct 21, 20262,066+4
Oct 16, 20262,0620
Oct 15, 20262,0620
Oct 14, 20262,0620
Oct 13, 20262,0620
Oct 09, 20262,062No prior observation