DEFINITION of 'Kurtosis'
A statistical measure used to describe the distribution of observed data around the mean.It is sometimes referred to as the "volatility of volatility."
INVESTOPEDIA EXPLAINS 'Kurtosis'
Used generally in the statistical field, kurtosis describes trends in charts. A high kurtosis portrays a chart with fat tails and a low, even distribution, whereas a low kurtosis portrays a chart with skinny tails and a distribution concentrated toward the mean.RELATED TERMS

Sharpe Ratio
A ratio developed by Nobel laureate William F. Sharpe to measure ... 
Leptokurtic
A statistical distribution where the points along the Xaxis ... 
Platykurtic
A type of statistical distribution where the points along the ... 
Skewness
Describe asymmetry from the normal distribution in a set of statistical ... 
Cokurtosis
A statistical measure that calculates the degree of peak of a ... 
Probability Density Function  ...
A statistical measure that defines a probability distribution ...
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