VaR Deviation. Value-at-Risk for (Linear Loss ) - (Average over Linear Loss scenarios) , i.e., α% percentile of (Linear Loss) - (Average over Linear Loss scenarios) scenarios.
Syntax
var_dev(α, matrix) |
short call |
var_dev_name(α, matrix) |
call with optional name |
Parameters
matrix is a Matrix of Scenarios:
where the header row contains names of variables (except scenario_probability, and scenario_benchmark). Other rows contain numerical data. The scenario_probability, and scenario_benchmark columns are optional.
is a confidence level.
Mathematical Definition
VaR Deviation function is calculated as follows:
,
where
is VaR function,
,
is Loss Function (See section Loss and Gain Functions)
is an argument of VaR Deviation function.
Example
Case Studies with VaR Deviation
See also
VaR,
VaR Normal Independent, VaR Normal Dependent,
VaR Deviation, VaR Deviation Normal Independent, VaR Deviation Normal Dependent,
VaR for Mixture of Normal Independent, VaR Deviation for Mixture of Normal Independent