Put-Call Ratio (Volume) (60-Day)

Put-Call Ratio (Volume): The ratio of puts traded to calls traded, for options with the relevant expiration date.

X4 Pharmaceuticals, Inc. (XFOR) 60-Day Put-Call Ratio (Volume) data is not available for 2026-08-20.

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Figures for 2026-08-20

Volatility Metrics
Historical Volatility (Close-to-Close)	0.7318
Historical Volatility (Parkinson)	0.6665
Implied Volatility (Calls)	3.1312
Implied Volatility (Puts)	3.3587
Implied Volatility (Mean)	3.2449
Put-Call Implied Volatility Ratio	1.0727
Implied Volatility Skew	0.4799
Option Statistics
Put-Call Ratio (Volume)	--
Put-Call Ratio (Open Interest)	0.0000