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 0.0936 for 2025-12-12.

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Figures for 2025-12-12

Volatility Metrics
Historical Volatility (Close-to-Close)	0.1233
Historical Volatility (Parkinson)	0.1375
Implied Volatility (Calls)	0.1180
Implied Volatility (Puts)	0.1127
Implied Volatility (Mean)	0.1153
Put-Call Implied Volatility Ratio	0.9549
Implied Volatility Skew	--
Option Statistics
Put-Call Ratio (Volume)	0.0936
Put-Call Ratio (Open Interest)	0.6491