Financial/Actuarial Mathematics Seminar

October 1, 2009



Perpetual Cancellable Call Option.

Tom Emmerling

Department of Mathematics, University of Michigan

October 1, 2009



Abstract

In this talk, I'll examine the valuation of a generalized American-style option known as a Game-style call option in an infinite time horizon setting. The specifications of this contract allow the writer to terminate the call option at any point in time for a fixed penalty amount paid directly to the holder. Valuation of a perpetual Game-style put option was addressed by Kyprianou (2004) in a Black-Scholes setting on a non-dividend paying asset. Here, we undertake a similar analysis for the perpetual call option in the presence of dividends and find qualitatively different explicit representations for the value function depending on the relationship between the interest rate and dividend yield.


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