Put-Call Ratio (Open Interest) (20-Day)

Put-Call Ratio (Open Interest): The ratio of outstanding put contracts to outstanding call contracts at the close of the trading day, for options with the relevant expiration date.

Black Hills Corporation (BKH) had 20-Day Put-Call Ratio (Open Interest) of 0.6455 for 2025-08-01.

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Figures for 2025-08-01

Volatility Metrics
Historical Volatility (Close-to-Close)	0.1667
Historical Volatility (Parkinson)	0.1605
Implied Volatility (Calls)	0.1745
Implied Volatility (Puts)	0.1894
Implied Volatility (Mean)	0.1820
Put-Call Implied Volatility Ratio	1.0853
Implied Volatility Skew	0.0971
Option Statistics
Put-Call Ratio (Volume)	0.5179
Put-Call Ratio (Open Interest)	0.6455