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 0.7772 for 2022-05-26.

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

Figures for 2022-05-26

Volatility Metrics
Historical Volatility (Close-to-Close)	0.2281
Historical Volatility (Parkinson)	0.2178
Implied Volatility (Calls)	0.2324
Implied Volatility (Puts)	0.2193
Implied Volatility (Mean)	0.2258
Put-Call Implied Volatility Ratio	0.9436
Implied Volatility Skew	0.1138
Option Statistics
Put-Call Ratio (Volume)	3.1236
Put-Call Ratio (Open Interest)	0.7772
Forward Price	313.82
Call Breakeven Price	324.73
Put Breakeven Price	283.36
Option Breakeven Price	314.04

Data from Quantcha