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Contract OI history

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Dec 18, 2026 EXPIRATION

CIFR $5.00 Put

CIFR261218P00005000

Latest saved OI7,713Oct 23, 2026
Last change-464vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
CIFR $5.00 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. 8,1774,0880 2026-10-09: 231 OI2026-10-13: 231 OI2026-10-14: 231 OI2026-10-15: 7,176 OI2026-10-16: 7,165 OI2026-10-21: 8,177 OI2026-10-23: 7,713 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, 2026Viewing7,713-464
Oct 21, 20268,177+1,012
Oct 16, 20267,165-11
Oct 15, 20267,176+6,945
Oct 14, 20262310
Oct 13, 20262310
Oct 09, 2026231No prior observation