Put-Call Ratio (Volume) (150-Day)

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

National Grid Transco, PLC (NGG) had 150-Day Put-Call Ratio (Volume) of 0.2963 for 2025-10-31.

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Figures for 2025-10-31

Volatility Metrics
Historical Volatility (Close-to-Close)	0.1895
Historical Volatility (Parkinson)	0.1047
Implied Volatility (Calls)	0.1783
Implied Volatility (Puts)	0.2642
Implied Volatility (Mean)	0.2213
Put-Call Implied Volatility Ratio	1.4815
Implied Volatility Skew	--
Option Statistics
Put-Call Ratio (Volume)	0.2963
Put-Call Ratio (Open Interest)	0.2598