Two-Stage Robust Optimization Model for Uncertainty Investment Portfolio Problems

Dongqing Luan, Chuming Wang, Zhong Wu, Zhijie Xia and Alfred Peris

Journal of Mathematics, 2021, vol. 2021, 1-19

Abstract: Investment portfolio can provide investors with a more robust financial management plan, but the uncertainty of its parameters is a key factor affecting performance. This paper conducts research on investment portfolios and constructs a two-stage mixed integer programming (TS-MIP) model, which comprehensively considers the five dimensions of profit, diversity, skewness, information entropy, and conditional value at risk. But the deterministic TS-MIP model cannot cope with the uncertainty. Therefore, this paper constructs a two-stage robust optimization (TS-RO) model by introducing robust optimization theory. In case experiments, data crawler technology is used to obtain actual data from real websites, and a variety of methods are used to verify the effectiveness of the proposed model in dealing with uncertainty. The comparison of models found that, compared with the traditional equal weight model, the investment benefits of the TS-MIP model and the TS-RO model proposed have been improved. Among them, the Sharpe ratio, Sortino ratio, and Treynor ratio have the largest increase of 19.30%, 8.25%, and 7.34%, respectively.

Date: 2021
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Persistent link: https://EconPapers.repec.org/RePEc:hin:jjmath:3087066

DOI: 10.1155/2021/3087066

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