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Contract OI history

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Dec 17, 2027 EXPIRATION

CIFR $17.00 Put

CIFR271217P00017000

Latest saved OI2,142Oct 23, 2026
Last change+1vs 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. 2,1421,0710 2026-10-09: 2,142 OI2026-10-13: 2,141 OI2026-10-14: 2,141 OI2026-10-15: 2,141 OI2026-10-16: 2,141 OI2026-10-21: 2,141 OI2026-10-23: 2,142 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, 2026Viewing2,142+1
Oct 21, 20262,1410
Oct 16, 20262,1410
Oct 15, 20262,1410
Oct 14, 20262,1410
Oct 13, 20262,141-1
Oct 09, 20262,142No prior observation