A Comparison of Alternative Approaches for Determining the Downside Risk of Hedge Fund Strategies

This paper compares a number of different approaches for determining the Value at Risk (VaR) and Expected Shortfall (ES) of hedge fund investment strategies.

Author(s):

Daniel Giamouridis

Lecturer in the Department of Accounting and Finance at the Athens University of Economics and Business, Visiting Fellow in the Faculty of Finance of the Sir John Cass Business School, City University, London and Research Associate with the EDHEC Risk and Asset Management Research Centre

Ioanna Ntoula

Risk Analyst in the Methods and Measures Division, Market Risk Management Sector, Eurobank EFG, Greece

We compute VaR and ES through completely modelfree methods, as well as through mean/variance and distribution model-based methods. Among the models considered certain specifications can technically address autocorrelation, asymmetry, fat tails, and time-varying variances which are typical characteristics of hedge fund returns. We find that conditional mean/variance models coupled with appropriate distributional assumptions improve our ability to predict VaR, 1% VaR in particular. We also find that the goodness of ES prediction models is primarily influenced by the distribution model rather than the mean/variance specification.

Type: Working paper
Date: le 08/01/2007
Research Cluster : Finance

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