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Contract OI history

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Jan 21, 2028 EXPIRATION

CIFR $8.00 Put

CIFR280121P00008000

Latest saved OI2,778Oct 23, 2026
Last change+57vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
CIFR $8.00 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. 2,7781,3890 2026-10-09: 1,873 OI2026-10-13: 2,044 OI2026-10-14: 2,044 OI2026-10-15: 2,056 OI2026-10-16: 2,125 OI2026-10-21: 2,721 OI2026-10-23: 2,778 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, 2026Viewing2,778+57
Oct 21, 20262,721+596
Oct 16, 20262,125+69
Oct 15, 20262,056+12
Oct 14, 20262,0440
Oct 13, 20262,044+171
Oct 09, 20261,873No prior observation