Pricing Asian Options and Equity-Indexed Annuities with Regime Switching by the Trinomial Tree Method

Fei Yuen and Hailiang Yang

North American Actuarial Journal, 2010, vol. 14, issue 2, 256-272

Abstract: Equity-indexed annuities (EIAs) provide investors with a minimum rate of return and at the same time the opportunity of gaining a profit that is linked to the performance of an equity index. These properties make EIAs a popular product in the market. For modeling the equity index process and calculating the price of EIAs, as the maturity of EIAs usually is long, it is more reasonable to assume that the interest rate and the volatility of the equity index are stochastic processes. One simple way is to apply the regime-switching model, which allows these parameters depending on the market situation. However, the valuation of derivatives in such models is challenging, especially for the strong path-dependent options such as Asian options. A trinomial tree model is introduced to provide an efficient way to solve this problem. The valuation of Asian options is studied and extended to Asian-option-related EIAs.

Date: 2010
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DOI: 10.1080/10920277.2010.10597588

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