Put-Call Ratio (Volume) (60-Day)

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

Northwest Natural Gas Company (NWN) 60-Day Put-Call Ratio (Volume) data is not available for 2026-06-05.

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Figures for 2026-06-05

Volatility Metrics
Historical Volatility (Close-to-Close)	0.2776
Historical Volatility (Parkinson)	0.2350
Implied Volatility (Calls)	0.2097
Implied Volatility (Puts)	0.3343
Implied Volatility (Mean)	0.2720
Put-Call Implied Volatility Ratio	1.5940
Implied Volatility Skew	-0.0023
Option Statistics
Put-Call Ratio (Volume)	--
Put-Call Ratio (Open Interest)	1.1167