Put-Call Ratio (Open Interest) (120-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.

Berkshire Hathaway Inc. (BRK.B) had 120-Day Put-Call Ratio (Open Interest) of 0.4691 for 2026-01-06.

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Figures for 2026-01-06

Volatility Metrics
Historical Volatility (Close-to-Close)	0.1303
Historical Volatility (Parkinson)	0.1263
Implied Volatility (Calls)	0.1782
Implied Volatility (Puts)	0.1702
Implied Volatility (Mean)	0.1742
Put-Call Implied Volatility Ratio	0.9554
Implied Volatility Skew	0.0391
Option Statistics
Put-Call Ratio (Volume)	0.5101
Put-Call Ratio (Open Interest)	0.4691