Bounds and Prices of Currency Cross-Rate Options
32 Pages Posted: 18 Feb 2006 Last revised: 27 Feb 2019
Date Written: May1 2008
Abstract
This paper derives the pricing bounds of a currency cross-rate option using the option prices of two related dollar rates via a copula theory and presents the analytical properties of the bounds under the Gaussian framework. Our option pricing bounds are useful, because (1) they are general in the sense that they do not rely on the distribution assumptions of the state vari-ables or on the selection of the copula function; (2) they are portfolios of the dollar-rate op-tions and hence are potential hedging instruments for cross-rate options; and (3) they can be applied to generate bounds on deltas. The empirical tests suggest that there are persistent and stable relationships between the market prices and the estimated bounds of the cross-rate op-tions and that our option pricing bounds (obtained from the market prices of options on two dollar rates) and the historical correlation of two dollar rates are highly informative for ex-plaining the prices of the cross-rate options. Moreover, the empirical results are consistent with the predictions of the analytical properties under the Gaussian framework and are robust in various aspects.
Keywords: Option pricing, option bounds, exchange rates, cross-rate, correlation, copulas
JEL Classification: F3, F4, G1
Suggested Citation: Suggested Citation
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