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.

Berkshire Hathaway Inc. (BRK.B) had 20-Day Put-Call Ratio (Volume) of 0.4617 for 2025-10-23.

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Figures for 2025-10-23

Volatility Metrics
Historical Volatility (Close-to-Close)	0.1209
Historical Volatility (Parkinson)	0.1218
Implied Volatility (Calls)	0.1610
Implied Volatility (Puts)	0.1501
Implied Volatility (Mean)	0.1556
Put-Call Implied Volatility Ratio	0.9320
Implied Volatility Skew	0.0251
Option Statistics
Put-Call Ratio (Volume)	0.4617
Put-Call Ratio (Open Interest)	0.8962