Put-Call Ratio (Volume) (20-Day)

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

NorthWestern Corporation (NWE) had 20-Day Put-Call Ratio (Volume) of 0.3238 for 2026-10-14.

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Figures for 2026-10-14

Volatility Metrics
Historical Volatility (Close-to-Close)	0.3216
Historical Volatility (Parkinson)	0.2725
Implied Volatility (Calls)	0.3064
Implied Volatility (Puts)	0.5790
Implied Volatility (Mean)	0.4427
Put-Call Implied Volatility Ratio	1.8898
Implied Volatility Skew	--
Option Statistics
Put-Call Ratio (Volume)	0.3238
Put-Call Ratio (Open Interest)	0.1468