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."
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BREAKING DOWN '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.
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