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Contract OI history

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Dec 18, 2026 EXPIRATION

CIFR $12.00 Put

CIFR261218P00012000

Latest saved OI1,554Oct 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 $12.00 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. 1,5847920 2026-10-09: 1,426 OI2026-10-13: 1,563 OI2026-10-14: 1,563 OI2026-10-15: 1,584 OI2026-10-16: 1,533 OI2026-10-21: 1,555 OI2026-10-23: 1,554 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, 2026Viewing1,554-1
Oct 21, 20261,555+22
Oct 16, 20261,533-51
Oct 15, 20261,584+21
Oct 14, 20261,5630
Oct 13, 20261,563+137
Oct 09, 20261,426No prior observation