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Backtesting VaR and ES under the magnifying glass

Christos Argyropoulos and Ekaterini Panopoulou ()

International Review of Financial Analysis, 2019, vol. 64, issue C, 22-37

Abstract: Backtesting provides the means of determining the accuracy of risk forecasts and the corresponding risk model. Given that the actual return generating process is unknown, the evaluation methods rely on various assumptions in order to quantify the models inefficiencies and proceed with the model evaluation. These method specific assumptions, in conjunction with the regulatory policies can introduce distortions in the evaluation process, which affect the reliability of the evaluation results. To investigate such effects from a practitioner's perspective, this paper reviews the major Value at Risk and Expected Shortfall forecast evaluation methods and evaluates their performance under a common simulation and financial application framework.

Keywords: Value-at-Risk; Expected Shortfall; Model accuracy; Backtesting; Forecast evaluation (search for similar items in EconPapers)
Date: 2019
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DOI: 10.1016/j.irfa.2019.04.005

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Handle: RePEc:eee:finana:v:64:y:2019:i:c:p:22-37