Put-Call Ratio (Volume) (90-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 90-Day Put-Call Ratio (Volume) of 0.3333 for 2025-06-27.

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Figures for 2025-06-27

Volatility Metrics
Historical Volatility (Close-to-Close)	0.3069
Historical Volatility (Parkinson)	0.1765
Implied Volatility (Calls)	0.1739
Implied Volatility (Puts)	0.1724
Implied Volatility (Mean)	0.1731
Put-Call Implied Volatility Ratio	0.9913
Implied Volatility Skew	0.0354
Option Statistics
Put-Call Ratio (Volume)	0.3333
Put-Call Ratio (Open Interest)	0.7099