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Contract OI history

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Oct 30, 2026 EXPIRATION

CIFR $16.50 Put

CIFR261030P00016500

Latest saved OI39Oct 23, 2026
Last change-92vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
CIFR $16.50 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. 4202100 2026-10-09: 420 OI2026-10-13: 375 OI2026-10-14: 375 OI2026-10-15: 366 OI2026-10-16: 364 OI2026-10-21: 131 OI2026-10-23: 39 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, 2026Viewing39-92
Oct 21, 2026131-233
Oct 16, 2026364-2
Oct 15, 2026366-9
Oct 14, 20263750
Oct 13, 2026375-45
Oct 09, 2026420No prior observation