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Contract OI history

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Dec 18, 2026 EXPIRATION

CIFR $13.00 Put

CIFR261218P00013000

Latest saved OI1,444Oct 23, 2026
Last change+63vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
CIFR $13.00 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. 1,4447220 2026-10-09: 1,284 OI2026-10-13: 1,318 OI2026-10-14: 1,318 OI2026-10-15: 1,345 OI2026-10-16: 1,350 OI2026-10-21: 1,381 OI2026-10-23: 1,444 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, 2026Viewing1,444+63
Oct 21, 20261,381+31
Oct 16, 20261,350+5
Oct 15, 20261,345+27
Oct 14, 20261,3180
Oct 13, 20261,318+34
Oct 09, 20261,284No prior observation