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Contract OI history

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Nov 06, 2026 EXPIRATION

CIFR $17.50 Put

CIFR261106P00017500

Latest saved OI7Oct 23, 2026
Last change-10vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
CIFR $17.50 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. 55270 2026-10-09: 17 OI2026-10-13: 20 OI2026-10-14: 20 OI2026-10-15: 55 OI2026-10-16: 55 OI2026-10-21: 17 OI2026-10-23: 7 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, 2026Viewing7-10
Oct 21, 202617-38
Oct 16, 2026550
Oct 15, 202655+35
Oct 14, 2026200
Oct 13, 202620+3
Oct 09, 202617No prior observation