《A Market Model for VIX Futures》
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作者:
Alexander Badran and Beniamin Goldys
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最新提交年份:
2015
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英文摘要:
A new modelling approach that directly prescribes dynamics to the term structure of VIX futures is proposed in this paper. The approach is motivated by the tractability enjoyed by models that directly prescribe dynamics to the VIX, practices observed in interest-rate modelling, and the desire to develop a platform to better understand VIX option implied volatilities. The main contribution of the paper is the derivation of necessary conditions for there to be no arbitrage between the joint market of VIX and equity derivatives. The arbitrage conditions are analogous to the well-known HJM drift restrictions in interest-rate modelling. The restrictions also address a fundamental open problem related to an existing modelling approach, in which the dynamics of the VIX are specified directly. The paper is concluded with an application of the main result, which demonstrates that when modelling VIX futures directly, the drift and diffusion of the corresponding stochastic volatility model must be restricted to preclude arbitrage.
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中文摘要:
本文提出了一种直接描述波动率指数期货期限结构动态的新建模方法。该方法的动机是直接规定波动率指数动态的模型所具有的可操作性、利率建模中观察到的实践,以及开发一个平台以更好地理解波动率指数期权隐含波动率的愿望。本文的主要贡献是推导了波动率指数和股票衍生品联合市场不存在套利的必要条件。套利条件类似于利率建模中著名的HJM漂移限制。这些限制还解决了一个与现有建模方法相关的基本开放问题,在该方法中,VIX的动态是直接指定的。本文的结论是应用了主要结果,这表明在直接对VIX期货建模时,必须限制相应随机波动率模型的漂移和扩散,以防止套利。
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分类信息:
一级分类:Quantitative Finance 数量金融学
二级分类:Mathematical Finance 数学金融学
分类描述:Mathematical and analytical methods of finance, including stochastic, probabilistic and functional analysis, algebraic, geometric and other methods
金融的数学和分析方法,包括随机、概率和泛函分析、代数、几何和其他方法
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一级分类:Mathematics 数学
二级分类:Probability 概率
分类描述:Theory and applications of probability and stochastic processes: e.g. central limit theorems, large deviations, stochastic differential equations, models from statistical mechanics, queuing theory
概率论与随机过程的理论与应用:例如中心极限定理,大偏差,随机微分方程,统计力学模型,排队论
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