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Contract OI history

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Oct 30, 2026 EXPIRATION

CIFR $16.00 Put

CIFR261030P00016000

Latest saved OI3Oct 23, 2026
Last change-180vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
CIFR $16.00 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. 5282640 2026-10-09: 528 OI2026-10-13: 502 OI2026-10-14: 502 OI2026-10-15: 503 OI2026-10-16: 481 OI2026-10-21: 183 OI2026-10-23: 3 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, 2026Viewing3-180
Oct 21, 2026183-298
Oct 16, 2026481-22
Oct 15, 2026503+1
Oct 14, 20265020
Oct 13, 2026502-26
Oct 09, 2026528No prior observation