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Contract OI history

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Oct 30, 2026 EXPIRATION

CIFR $19.00 Put

CIFR261030P00019000

Latest saved OI43Oct 23, 2026
Last change0vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
CIFR $19.00 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. 3351670 2026-10-09: 318 OI2026-10-13: 335 OI2026-10-14: 335 OI2026-10-15: 102 OI2026-10-16: 43 OI2026-10-21: 43 OI2026-10-23: 43 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, 2026Viewing430
Oct 21, 2026430
Oct 16, 202643-59
Oct 15, 2026102-233
Oct 14, 20263350
Oct 13, 2026335+17
Oct 09, 2026318No prior observation