Measures the fatness of the tails of a probability distribution. A fat-tailed distribution has higher-than-normal chances of a big positive or negative realization.' Kurtosis' should not be confused with skewness, which measures the fatness of one tail. Kurtosis is sometimes referred to as the volatility of volatility.
Barry Goldsmith
| APA | Barry Goldsmith. (2010). kurtosis. Retrieved September 27, 2026, from http://smartdefine.org/kurtosis/definitions/1156847 |
| Chicago | Barry Goldsmith. 2010. "kurtosis" http://smartdefine.org/kurtosis/definitions/1156847 (accessed September 27, 2026). |
| Harvard | Barry Goldsmith 2010, kurtosis, Smart Define, viewed 27 September, 2026, <http://smartdefine.org/kurtosis/definitions/1156847>. |
| MLA | Barry Goldsmith. "kurtosis" 21 October 2010. Web. 27 September 2026. <http://smartdefine.org/kurtosis/definitions/1156847> |