An analytic pricing formula for timer options under constant elasticity of variance with stochastic volatility
- Authors
- Choi, Sun-Yong; Kim, Donghyun; Yoon, Ji-Hun
- Issue Date
- Jan-2024
- Publisher
- American Institute of Mathematical Sciences (AIMS)
- Keywords
- asymptotic analysis; constant elasticity of variance; Monte-Carlo simulation; stochastic volatility; timer options
- Citation
- AIMS Mathematics, v.9, no.1, pp 2454 - 2472
- Pages
- 19
- Journal Title
- AIMS Mathematics
- Volume
- 9
- Number
- 1
- Start Page
- 2454
- End Page
- 2472
- URI
- https://scholarworks.bwise.kr/gachon/handle/2020.sw.gachon/90647
- DOI
- 10.3934/math.2024121
- ISSN
- 2473-6988
2473-6988
- Abstract
- <jats:p xml:lang="fr"><abstract><p>Timer options, which were first introduced by Société Générale Corporate and Investment Banking in 2007, are financial securities whose payoffs and exercise are determined by a random time associated with the accumulated realized variance of the underlying asset, unlike vanilla options exercised at the prescribed maturity date. In this paper, taking account of the correlation between the underlying asset price and volatility, we investigate the pricing of timer options under the constant elasticity of variance (CEV) model, proposed by Cox and Ross <sup>[<xref ref-type="bibr" rid="b10">10</xref>]</sup>, taking advantage of the approach of asymptotic analysis. Additionally, we validate the pricing precision of the approximate formula for timer options using the Monte Carlo method. We conduct numerical experiments based on our corrected prices and analyze price sensitivities concerning various model parameters, with a focus on the value of elasticity.</p></abstract></jats:p>
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