Bayesian inference for hedge funds with stable distribution of returns

Biliana Güner, Svetlozar T. Rachev, Daniel Edelman and Frank Fabozzi ()

No 1, Working Paper Series in Economics from Karlsruhe Institute of Technology (KIT), Department of Economics and Management

Abstract: Recently, a body of academic literature has focused on the area of stable distributions and their application potential for improving our understanding of the risk of hedge funds. At the same time, research has sprung up that applies standard Bayesian methods to hedge fund evaluation. Little or no academic attention has been paid to the combination of these two topics. In this paper, we consider Bayesian inference for alpha-stable distributions with particular regard to hedge fund performance and risk assessment. After constructing Bayesian estimators for alpha-stable distributions in the context of an ARMA-GARCH time series model with stable innovations, we compare our risk evaluation and prediction results to the predictions of several competing conditional and unconditional models that are estimated in both the frequentist and Bayesian setting. We find that the conditional Bayesian model with stable innovations has superior risk prediction capabilities compared with other approaches and, in particular, produced better risk forecasts of the abnormally large losses that some hedge funds sustained in the months of September and October 2008.

Date: 2010
New Economics Papers: this item is included in nep-ban, nep-cba and nep-ecm
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Persistent link: https://EconPapers.repec.org/RePEc:zbw:kitwps:1

DOI: 10.5445/IR/1000019743

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