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首页> 外文期刊>Probability in the Engineering and Informational Sciences >VALUATION OF VULNERABLE OPTIONS UNDER THE DOUBLE EXPONENTIAL JUMP MODEL WITH STOCHASTIC VOLATILITY
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VALUATION OF VULNERABLE OPTIONS UNDER THE DOUBLE EXPONENTIAL JUMP MODEL WITH STOCHASTIC VOLATILITY

机译:随机波动性双指数跳跃模型下的弱势选择估值

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摘要

In this paper, we extend the framework of Klein [15] [Journal of Banking & Finance 20: 1211-1229] to a general model under the double exponential jump model with stochastic volatility on the underlying asset and the assets of the counterparty. Firstly, we derive the closed-form characteristic functions for this dynamic. Using the Fourier-cosine expansion technique, we get numerical solutions for vulnerable European put options based on the characteristic functions. The inverse fast. Fourier transform method provides a fast numerical algorithm for the twice-exercisable vulnerable Bermuda put options. By virtue of the modified Geske and Johnson method, we obtain an approximate pricing formula of vulnerable American put options. Numerical simulations are made for investigating the impact of stochastic volatility on vulnerable options.
机译:在本文中,我们将Klein [15] [银行业和金融20:1211-1229]的框架扩展到双指数跳跃模型下的一般模型,其潜在资产与交易对手资产的随机波动。首先,我们推导出这种动态的封闭式特性函数。使用傅里叶余弦扩展技术,我们基于特征函数获取易受伤害的欧洲Put选项的数值解决方案。逆快。傅立叶变换方法为两次易溶性弱势百慕大提供了快速数值算法。凭借修改的GESKE和JOHNSON方法,我们获得了易受伤害的美国PUT选项的近似定价公式。对研究随机挥发性对脆弱选项的影响进行了数值模拟。

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