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Backtesting the tail risk of VaR in holding US dollar

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  • W. K. Wong

Abstract

US dollar is the most widely held currency in the world. In recent years, however, it suffered huge depreciation. In this article, various risk models are used to forecast the Value-at-Risk (VaR) in holding the currency. Being a quantile measure, VaR disregards valuable information conveyed by the sizes of tail losses. As a result, there is tail risk (TR) in the use of VaR in practice. Saddlepoint technique is used to backtest TR of VaR by summing all the tail losses. Substantial downside TR are detected in the US currency, and Asymmetric Power ARCH with normal inverse Gaussian innovation is found capable of capturing such risks.

Suggested Citation

  • W. K. Wong, 2009. "Backtesting the tail risk of VaR in holding US dollar," Applied Financial Economics, Taylor & Francis Journals, vol. 19(4), pages 327-337.
    • Handle: RePEc:taf:apfiec:v:19:y:2009:i:4:p:327-337
    DOI: 10.1080/09603100802167312
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    References listed on IDEAS

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    1. Eiji Ogawa & Takeshi Kudo, 2004. "How much depreciation of the US dollar for sustainability of the current accounts?," Hi-Stat Discussion Paper Series d04-44, Institute of Economic Research, Hitotsubashi University.
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