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.
Investment dictionary. Academic. 2012.
kurtosis — [kər tō′sis] n. [< Gr kyrtōsis, a bulging, convexity < kyrtos, curved: for IE base see CURVE] the degree of peakedness of the graph of a statistical distribution, indicative of the concentration around the mean … English World dictionary
Kurtosis — In probability theory and statistics, kurtosis (from the Greek word κυρτός, kyrtos or kurtos, meaning bulging) is any measure of the peakedness of the probability distribution of a real valued random variable.[1] In a similar way to the concept… … Wikipedia
Kurtosis — En théorie des probabilités et en statistiques, le kurtosis (mot d origine grecque), plus souvent traduit par coefficient d aplatissement, ou coefficient d aplatissement de Pearson, correspond à une mesure de l aplatissement, ou a contrario de la … Wikipédia en Français
Kurtosis — Die Wölbung (auch Kurtosis oder Exzess) einer statistischen Verteilung X ist definiert als normierte Form des vierten zentralen Moments μ4(X). Sie beschreibt die „Spitzigkeit“ der Wahrscheinlichkeitsdichtefunktion. Die Wölbung gibt es in… … Deutsch Wikipedia
kurtosis — See fat tail. American Banker Glossary 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… … Financial and business terms
kurtosis — noun A measure of peakedness of a probability distribution, defined as the fourth cumulant divided by the square of the variance of the probability distribution. See Also: leptokurtosis, mesokurtosis, platykurtosis, excess kurtosis, mesokurtic,… … Wiktionary
kurtosis — The extent to which a unimodal distribution is peaked. [G., an arching] * * * kur·to·sis (kər toґsis) [Gr. “convexityâ€] the degree of peakedness or flatness of a probability distribution, relative to the normal distribution with the same … Medical dictionary
kurtosis — [kə: təʊsɪs] noun Statistics the sharpness of the peak of a frequency distribution curve. Origin early 20th cent.: from Gk kurtōsis bulge , from kurtos bulging, convex … English new terms dictionary
kurtosis — n. Statistics the sharpness of the peak of a frequency distribution curve. Etymology: mod.L f. Gk kurtosis bulging f. kurtos convex … Useful english dictionary
Kurtosis risk — denotes that observations are spread in a wider fashion than the normal distribution entails. In other words, fewer observations cluster near the average and more observations populate the extremes either far above or far below the average… … Wikipedia
