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Contract OI history

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Jan 15, 2027 EXPIRATION

CIFR $9.00 Put

CIFR270115P00009000

Latest saved OI2,110Oct 23, 2026
Last change+742vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
CIFR $9.00 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. 2,1101,0550 2026-10-09: 467 OI2026-10-13: 737 OI2026-10-14: 737 OI2026-10-15: 759 OI2026-10-16: 1,040 OI2026-10-21: 1,368 OI2026-10-23: 2,110 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, 2026Viewing2,110+742
Oct 21, 20261,368+328
Oct 16, 20261,040+281
Oct 15, 2026759+22
Oct 14, 20267370
Oct 13, 2026737+270
Oct 09, 2026467No prior observation