Spot and forward volatility in foreign exchange

Pasquale Della Corte, Lucio Sarno and Ilias Tsiakas

Journal of Financial Economics, 2011, vol. 100, issue 3, 496-513

Abstract: This paper investigates the empirical relation between spot and forward implied volatility in foreign exchange. We formulate and test the forward volatility unbiasedness hypothesis, which may be viewed as the volatility analogue to the extensively researched hypothesis of unbiasedness in forward exchange rates. Using a new dataset of spot implied volatility quoted on over-the-counter currency options, we compute the forward implied volatility that corresponds to the delivery price of a forward contract on future spot implied volatility. This contract is known as a forward volatility agreement. We find strong evidence that forward implied volatility is a systematically biased predictor that overestimates movements in future spot implied volatility. This bias in forward volatility generates high economic value to an investor exploiting predictability in the returns to volatility speculation and indicates the presence of predictable volatility term premiums in foreign exchange.

Keywords: Implied; volatility; Foreign; exchange; Forward; volatility; agreement; Unbiasedness; Volatility; speculation (search for similar items in EconPapers)
Date: 2011
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Citations: View citations in EconPapers (44)

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Related works:
Working Paper: Spot and Forward Volatility in Foreign Exchange (2010)
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Persistent link: https://EconPapers.repec.org/RePEc:eee:jfinec:v:100:y:2011:i:3:p:496-513

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