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 Says: 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: Leptokurtic Non-Sampling Error Normal Distribution Platykurtic Probability Density Function - PDF Runs Test Sharpe Ratio Skewness Tail Risk |