Put-Call Ratio (Open Interest) (10-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 10-Day Put-Call Ratio (Open Interest) of 1.4927 for 2021-10-26.

10-Day 20-Day 30-Day 60-Day
90-Day 120-Day 150-Day 180-Day

Figures for 2021-10-26

Volatility Metrics
Historical Volatility (Close-to-Close)	0.0911
Historical Volatility (Parkinson)	0.0873
Implied Volatility (Calls)	0.1398
Implied Volatility (Puts)	0.1615
Implied Volatility (Mean)	0.1506
Put-Call Implied Volatility Ratio	1.1552
Implied Volatility Skew	0.1145
Option Statistics
Put-Call Ratio (Volume)	0.2602
Put-Call Ratio (Open Interest)	1.4927
Forward Price	299.00
Call Breakeven Price	295.32
Put Breakeven Price	277.63
Option Breakeven Price	284.99

Data from Quantcha