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.

Berkshire Hathaway Inc. (BRK.B) had 20-Day Put-Call Ratio (Open Interest) of 0.6741 for 2026-02-13.

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Figures for 2026-02-13

Volatility Metrics
Historical Volatility (Close-to-Close)	0.1765
Historical Volatility (Parkinson)	0.1694
Implied Volatility (Calls)	0.1966
Implied Volatility (Puts)	0.1945
Implied Volatility (Mean)	0.1956
Put-Call Implied Volatility Ratio	0.9890
Implied Volatility Skew	0.0340
Option Statistics
Put-Call Ratio (Volume)	0.6367
Put-Call Ratio (Open Interest)	0.6741