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Contract OI history

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Dec 18, 2026 EXPIRATION

CIFR $10.00 Put

CIFR261218P00010000

Latest saved OI2,582Oct 23, 2026
Last change+38vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
CIFR $10.00 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. 2,5821,2910 2026-10-09: 1,591 OI2026-10-13: 2,171 OI2026-10-14: 2,171 OI2026-10-15: 2,232 OI2026-10-16: 2,536 OI2026-10-21: 2,544 OI2026-10-23: 2,582 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, 2026Viewing2,582+38
Oct 21, 20262,544+8
Oct 16, 20262,536+304
Oct 15, 20262,232+61
Oct 14, 20262,1710
Oct 13, 20262,171+580
Oct 09, 20261,591No prior observation