Put-Call Ratio (Volume) (180-Day)

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

X4 Pharmaceuticals, Inc. (XFOR) had 180-Day Put-Call Ratio (Volume) of 0.0000 for 2026-10-02.

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Figures for 2026-10-02

Volatility Metrics
Historical Volatility (Close-to-Close)	0.6306
Historical Volatility (Parkinson)	0.6358
Implied Volatility (Calls)	2.1820
Implied Volatility (Puts)	3.8245
Implied Volatility (Mean)	3.0032
Put-Call Implied Volatility Ratio	1.7527
Implied Volatility Skew	0.5011
Option Statistics
Put-Call Ratio (Volume)	0.0000
Put-Call Ratio (Open Interest)	0.0000