Volatility Risk Premia and Exchange Rate Predictability
71 Pages Posted: 16 Mar 2013 Last revised: 1 Jun 2015
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Volatility Risk Premia and Exchange Rate Predictability
Volatility Risk Premia and Exchange Rate Predictability
Date Written: July 29, 2014
Abstract
We discover a new currency strategy with highly desirable return and diversification properties, which uses the predictive capability of currency volatility risk premia for currency returns. The volatility risk premium -- the difference between expected realized volatility and model-free implied volatility -- reflects the costs of insuring against currency volatility fluctuations, and the strategy sells high-insurance-cost currencies and buys low-insurance-cost currencies. The returns to the strategy are mainly generated by movements in spot exchange rates rather than interest rate differentials, and the strategy carries a large weight in a minimum-variance portfolio of commonly employed currency strategies. We explore alternative explanations for the profitability of the strategy, which cannot be understood using traditional risk factors.
Keywords: Exchange Rates, Volatility Risk Premium, Predictability, Minimum-Variance Currency Portfolio
JEL Classification: F31, G12, G13
Suggested Citation: Suggested Citation
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