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Contract OI history

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Oct 30, 2026 EXPIRATION

CIFR $13.50 Put

CIFR261030P00013500

Latest saved OI160Oct 23, 2026
Last change-613vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
CIFR $13.50 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. 1,0055020 2026-10-09: 1,005 OI2026-10-13: 849 OI2026-10-14: 849 OI2026-10-15: 818 OI2026-10-16: 818 OI2026-10-21: 773 OI2026-10-23: 160 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, 2026Viewing160-613
Oct 21, 2026773-45
Oct 16, 20268180
Oct 15, 2026818-31
Oct 14, 20268490
Oct 13, 2026849-156
Oct 09, 20261,005No prior observation