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Contract OI history

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Nov 06, 2026 EXPIRATION

CIFR $15.50 Put

CIFR261106P00015500

Latest saved OI349Oct 23, 2026
Last change-4vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
CIFR $15.50 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. 4272130 2026-10-09: 183 OI2026-10-13: 412 OI2026-10-14: 412 OI2026-10-15: 427 OI2026-10-16: 427 OI2026-10-21: 353 OI2026-10-23: 349 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, 2026Viewing349-4
Oct 21, 2026353-74
Oct 16, 20264270
Oct 15, 2026427+15
Oct 14, 20264120
Oct 13, 2026412+229
Oct 09, 2026183No prior observation