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An analytical option pricing formula for mean-reverting asset with time-dependent parameter. (English) Zbl 1471.91582

Summary: We present an analytical option pricing formula for the European options, in which the price dynamics of a risky asset follows a mean-reverting process with a time-dependent parameter. The process can be adapted to describe a seasonal variation in price such as in agricultural commodity markets. An analytical solution is derived based on the solution of a partial differential equation, which shows that a European option price can be decomposed into two terms: the payoff of the option at the initial time and the time-integral over the lifetime of the option driven by a time-dependent parameter. Finally, results obtained from the formula have been compared with Monte Carlo simulations and a Black-Scholes-type formula under various kinds of long-run mean functions, and some examples of option price behaviours have been provided.

MSC:

91G20 Derivative securities (option pricing, hedging, etc.)
35Q91 PDEs in connection with game theory, economics, social and behavioral sciences
Full Text: DOI

References:

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