OU配对交易的最优投资与消费
文章 arXiv papers · 作者: Sahar Albosaily et al.
总结
本文研究配对交易市场中的投资与消费问题,其中风险资产之间的价差服从Ornstein–Uhlenbeck过程。研究重点是在幂效用下制定最优策略,将组合决策与均值回复市场环境中的消费选择结合起来。
作者使用Feynman–Kac方法研究相关的Hamilton–Jacobi–Bellman方程,并报告存在唯一的经典解。他们还考察了一种数值近似,并确立了收敛速率;摘要将该速率描述为极快。所提供的文本没有给出模型的完整假设、参数选择、近似细节或实际交易结果。因此,本文提供了数学框架和所报告的解性质,但信息不足以评估实现成本、稳健性或现实表现。
核心观点
- 风险资产价差建模为Ornstein–Uhlenbeck过程。
- 投资与消费目标采用幂效用。
- 研究使用Feynman–Kac方法分析Hamilton–Jacobi–Bellman方程。
- 论文报告存在唯一的经典解。
- 研究考察了一种数值近似,其收敛速率被描述为极快。
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全文
# Optimal investment and consumption for pairs trading financial markets on small time interval # Optimal investment and consumption for pairs trading financial markets on small time interval In this paper we consider a pairs trading financial market with the spread of risky assets defined by the Ornstein-Uhlenbeck (OU) process. We implement an optimal strategy for power utility functions for investment/consumption problem. Through the Feynman-Kac (FK) method, we study the Hamilton-Jacobi-Bellman (HJB) equation for this problem. Moreover, the existence and uniqueness has been shown for classical solution for the HJB equation. In addition, the numeric approximation for the solution of the HJB equation has been studied and the convergence rate has been established and it is been found that the convergence rate is extremely explosive.
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