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Contract OI history

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Jan 15, 2027 EXPIRATION

CIFR $27.00 Put

CIFR270115P00027000

Latest saved OI46Oct 23, 2026
Last change-2vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
CIFR $27.00 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. 2451220 2026-10-09: 245 OI2026-10-13: 245 OI2026-10-14: 245 OI2026-10-15: 245 OI2026-10-16: 220 OI2026-10-21: 48 OI2026-10-23: 46 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, 2026Viewing46-2
Oct 21, 202648-172
Oct 16, 2026220-25
Oct 15, 20262450
Oct 14, 20262450
Oct 13, 20262450
Oct 09, 2026245No prior observation