Title: An accurate analytical approximation for the price of a European-style arithmetic Asian option
Authors: Vyncke, D
Goovaerts, Marc
Dhaene, Jan
Issue Date: 2003
Publisher: K.U.Leuven - Departement Toegepaste Economische Wetenschappen
Series Title: DTEW Research Report 0328 pages:1-18
Abstract: For discrete arithmetic Asian options the payoff depends on the price average of the underlying asset. Due to the dependence structure between the prices of the underlying asset, no simple exact pricing formula exists, not even in a Black-Scholes setting. In the recent literature, several approximations and bounds for the price of this type of option are proposed. One of these approximations consists of replacing the distribution of the stochastic price average by an ad hoc distribution (e.g. Lognormal or Inverse Gaussian) with the same first and second moment. In this paper we use a different approach and combine a lower and upper bound into a new analytical approximation. This approximation can be calculated efficiently, turns out to be very accurate and moreover, it has the correct first and second moment. Since the approximation is analytical, we can also calculate the corresponding hedging Greeks and construct a replicating strategy.
Publication status: published
KU Leuven publication type: IR
Appears in Collections:Research Center Insurance, Leuven

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