Quantile
A fraction of data at or below the data
“Quantiles are used in portfolio performance evaluation as well as in investment strategy development and research. To rank performance - portfolio performance evaluation
Investment Research: “allows analysts to evaluate the impact of that characteristic on a quantity of interest.”
Most Commonly Used Quan’tile’ (‘tiles’ divide data into equal sized fractions or groups)
Quartiles: 4, quintiles: 5, deciles: 10, percentiles: 100
“Given a set of observations, the yth percentile is the value at or below which y percent of observations lie”
Ex: 2nd quartiles, 50% observations lie below 2nd quartile
Calculate a quantile
“the calculation of various quantiles for the dividend yield”