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Contract OI history

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Dec 17, 2027 EXPIRATION

CIFR $7.00 Put

CIFR271217P00007000

Latest saved OI1,213Oct 23, 2026
Last change+356vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
CIFR $7.00 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. 1,2136060 2026-10-09: 375 OI2026-10-13: 371 OI2026-10-14: 371 OI2026-10-15: 371 OI2026-10-16: 379 OI2026-10-21: 857 OI2026-10-23: 1,213 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, 2026Viewing1,213+356
Oct 21, 2026857+478
Oct 16, 2026379+8
Oct 15, 20263710
Oct 14, 20263710
Oct 13, 2026371-4
Oct 09, 2026375No prior observation