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.

Southwest Gas Corporation (SWX) 90-Day Put-Call Ratio (Volume) data is not available for 2026-10-21.

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Figures for 2026-10-21

Volatility Metrics
Historical Volatility (Close-to-Close)	0.1731
Historical Volatility (Parkinson)	0.1797
Implied Volatility (Calls)	0.1961
Implied Volatility (Puts)	0.1947
Implied Volatility (Mean)	0.1954
Put-Call Implied Volatility Ratio	0.9929
Implied Volatility Skew	0.0017
Option Statistics
Put-Call Ratio (Volume)	--
Put-Call Ratio (Open Interest)	2.4742