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Contract OI history

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Nov 20, 2026 EXPIRATION

CIFR $19.00 Put

CIFR261120P00019000

Latest saved OI525Oct 23, 2026
Last change-65vs 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. 5932960 2026-10-09: 593 OI2026-10-13: 590 OI2026-10-14: 590 OI2026-10-15: 590 OI2026-10-16: 590 OI2026-10-21: 590 OI2026-10-23: 525 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, 2026Viewing525-65
Oct 21, 20265900
Oct 16, 20265900
Oct 15, 20265900
Oct 14, 20265900
Oct 13, 2026590-3
Oct 09, 2026593No prior observation