《Utility indifference pricing and hedging for structured contracts in
energy markets》
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作者:
Giorgia Callegaro, Luciano Campi, Valeria Giusto, Tiziano Vargiolu
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最新提交年份:
2016
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英文摘要:
In this paper we study the pricing and hedging of structured products in energy markets, such as swing and virtual gas storage, using the exponential utility indifference pricing approach in a general incomplete multivariate market model driven by finitely many stochastic factors. The buyer of such contracts is allowed to trade in the forward market in order to hedge the risk of his position. We fully characterize the buyer\'s utility indifference price of a given product in terms of continuous viscosity solutions of suitable nonlinear PDEs. This gives a way to identify reasonable candidates for the optimal exercise strategy for the structured product as well as for the corresponding hedging strategy. Moreover, in a model with two correlated assets, one traded and one nontraded, we obtain a representation of the price as the value function of an auxiliary simpler optimization problem under a risk neutral probability, that can be viewed as a perturbation of the minimal entropy martingale measure. Finally, numerical results are provided.
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中文摘要:
本文在一个由有限多个随机因素驱动的一般不完全多元市场模型中,利用指数效用无差异定价方法,研究了能源市场中结构性产品的定价和套期保值问题,如摆动和虚拟储气。此类合同的买方可以在远期市场进行交易,以对冲其头寸的风险。我们用合适的非线性偏微分方程的连续粘性解充分刻画了给定产品的买方效用无差异价格。这为结构化产品的最佳行使策略以及相应的套期保值策略提供了一种确定合理候选人的方法。此外,在一个包含两个相关资产(一个交易资产和一个未交易资产)的模型中,我们得到了一个价格表示,作为风险中性概率下辅助的简单优化问题的值函数,可以将其视为最小熵鞅测度的扰动。最后给出了数值结果。
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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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