Put-Call Ratio (Open Interest) (30-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 30-Day Put-Call Ratio (Open Interest) of 1.9074 for 2026-03-11.

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Figures for 2026-03-11

Volatility Metrics
Historical Volatility (Close-to-Close)	0.2277
Historical Volatility (Parkinson)	0.1600
Implied Volatility (Calls)	0.1851
Implied Volatility (Puts)	0.1945
Implied Volatility (Mean)	0.1898
Put-Call Implied Volatility Ratio	1.0509
Implied Volatility Skew	0.0219
Option Statistics
Put-Call Ratio (Volume)	1.4035
Put-Call Ratio (Open Interest)	1.9074