PainRatio | R Documentation |
To calculate Pain ratio we divide the difference of the portfolio return and the risk free rate by the Pain index
PainRatio(R, Rf = 0, ...)
R |
an xts, vector, matrix, data frame, timeSeries or zoo object of asset returns |
Rf |
risk free rate, in same period as your returns |
... |
any other passthru parameters |
Pain ratio = (rp - rf) / Pain index
where r_P is the annualized portfolio return, r_F is the risk free rate, n is the number of observations of the entire series, D'_i is the drawdown since previous peak in period i
Ho Tsung-wu <tsungwu@ntnu.edu.tw>, College of Management, National Taiwan Normal University.
Carl Bacon, Practical portfolio performance measurement
and attribution, second edition 2008 p.91
See also package PerformanceAnalytics
.
data(assetReturns) assetReturns=assetReturns["2011::2018"] #short sample for fast example R=assetReturns[, -29] PainRatio(R)
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