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Contract OI history

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Dec 15, 2028 EXPIRATION

CIFR $5.00 Put

CIFR281215P00005000

Latest saved OI930Oct 23, 2026
Last change-120vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
CIFR $5.00 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. 1,0505250 2026-10-09: 602 OI2026-10-13: 571 OI2026-10-14: 571 OI2026-10-15: 1,050 OI2026-10-16: 1,050 OI2026-10-21: 1,050 OI2026-10-23: 930 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, 2026Viewing930-120
Oct 21, 20261,0500
Oct 16, 20261,0500
Oct 15, 20261,050+479
Oct 14, 20265710
Oct 13, 2026571-31
Oct 09, 2026602No prior observation