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.

Ferroglobe PLC (GSM) 180-Day Put-Call Ratio (Volume) data is not available for 2026-07-20.

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Figures for 2026-07-20

Volatility Metrics
Historical Volatility (Close-to-Close)	0.5704
Historical Volatility (Parkinson)	0.5650
Implied Volatility (Calls)	1.5809
Implied Volatility (Puts)	0.5930
Implied Volatility (Mean)	1.0870
Put-Call Implied Volatility Ratio	0.3751
Implied Volatility Skew	--
Option Statistics
Put-Call Ratio (Volume)	--
Put-Call Ratio (Open Interest)	0.2560