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Modeling and Pricing of Variance and Volatility Swaps for Local Semi-Markov Volatilities in Financial Engineering

机译:金融工程中局部半马尔可夫波动率的方差和波动率互换的建模和定价

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摘要

We consider a semi-Markov modulated security market consisting of a riskless asset or bond with constant interest rate and risky asset or stock, whose dynamics follow gemoetric Brownian motion with volatility that depends on semi-Markov process. Two cases for semi-Markov volatilities are studied: local current and local semi-Markov volatilities. Using the martingale characterization of semi-Markov processes, we find the minimal martingale measure for this incomplete market. Then we model and price variance and volatility swaps for local semi-Markov stochastic volatilities.
机译:我们考虑由一个具有不变利率的无风险资产或债券以及具有风险资产或股票的半马尔可夫调制证券市场,其动态遵循伴随半马尔可夫过程的波动的布朗运动。研究了半马尔可夫波动率的两种情况:局部电流和局部半马尔可夫波动率。使用半马尔可夫过程的ting表征,我们找到了这个不完整市场的最小mar度量。然后,我们对局部半马尔可夫随机波动率建模并对其价格差异和波动率互换进行建模。

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  • 来源
    《Mathematical Problems in Engineering》 |2010年第3期|p.333-349|共17页
  • 作者单位

    Department of Mathematics and Statistics, University of Calgary, 2500 University Drive NW, Calgary,AB, Canada TIN 1N4;

    Department of Mathematics, University of Rome "La Sapienza", Via del Castro, Laurenziano 9,00161 Rome, Italy;

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