Put-Call Ratio (Volume) (30-Day)

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

Knife River Corporation (KNF) 30-Day Put-Call Ratio (Volume) data is not available for 2026-07-17.

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Figures for 2026-07-17

Volatility Metrics
Historical Volatility (Close-to-Close)	0.4952
Historical Volatility (Parkinson)	0.4372
Implied Volatility (Calls)	0.5797
Implied Volatility (Puts)	0.5402
Implied Volatility (Mean)	0.5599
Put-Call Implied Volatility Ratio	0.9319
Implied Volatility Skew	-0.0084
Option Statistics
Put-Call Ratio (Volume)	--
Put-Call Ratio (Open Interest)	0.4771