The Dynkin game with regime switching and applications to pricing game options

Siyu Lv (), Zhen Wu () and Qing Zhang ()
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Siyu Lv: Southeast University
Zhen Wu: Shandong University
Qing Zhang: University of Georgia

Annals of Operations Research, 2022, vol. 313, issue 2, No 24, 1159-1182

Abstract: Abstract This paper is concerned with the Dynkin game (a zero-sum optimal stopping game). The dynamic of the system is modeled by a regime switching diffusion, in which the regime switching mechanism provides the structural changes of the random environment. The goal is to find a saddle point for the payoff functional up to one of the players exiting the game. Taking advantage of the method of penalization and the dynamic programming principle, the value function of the game problem is shown to be the unique viscosity solution to the associated variational inequalities. We also consider a financial example of pricing game option under a regime switching market. Both optimal stopping rules for the buyer and the seller and fair price of the option are numerically demonstrated in this example. All the results are markedly different from the traditional cases without regime switching.

Keywords: Optimal stopping games; Regime switching; Variational inequalities; Viscosity solutions; Game options (search for similar items in EconPapers)
Date: 2022
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DOI: 10.1007/s10479-020-03656-y

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