Fourier Transform Method with an Asymptotic Expansion Approach: an Application to Currency Options ( Revised in December 2008; subsequently published in "International Journal of Theoretical and Applied Finance", Vol.11-4,pp.381-401. )

Fourier Transform Method with an Asymptotic Expansion Approach: an Application to Currency Options ( Revised in December 2008; subsequently published in "International Journal of Theoretical and Applied Finance", Vol.11-4,pp.381-401. )
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渐进展开法的傅里叶变换方法:在货币期权中的应用(2008年12月修订;随后发表于《International Journal of Theoretical and Applied Finance》,Vol.11-4,pp.381-401。)

DOI:
10.1142/s0219024908004853
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发表时间:
2007
期刊:
CARF F-Series
影响因子:
--
通讯作者:
Kohta Takehara
Kohta Takehara
中科院分区:
--
文献类型:
--
作者:
Akihiko Takahashi;Kohta Takehara

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本文建立了期权定价的傅里叶变换渐近展开方法,并将该方法应用于利率为Libor市场模型和汇率为跳扩散随机波动率模型的欧式货币期权。特别是,我们推导出封闭形式的特征函数的基础资产的对数价格和货币期权的价格的三阶渐近展开方案的基础上,我们使用的跳跃扩散模型的均值回复随机方差过程,如在赫斯顿[1993]/贝茨[1996]和对数正态市场模型的国内和国外利率。最后通过数值算例验证了该方法的有效性。
This paper develops a Fourier transform method with an asymptotic expansion approach for option pricing.The method is applied to European currency options with a libor market model of interest rates and jump-diffusion stochastic volatility models of spot exchange rates. In particular, we derive closed-form approximation formulas of the characteristic functions of log-prices of the underlying assets and the prices of currency options based on a third order asymptotic expansion scheme; we use a jump-diffusion model with a mean-reverting stochastic variance process such as in Heston[1993]/Bates[1996] and log-normal market models for domestic and foreign interest rates. Finally, the validity of our method is confirmed through numerical examples.
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