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A hybrid combinatorial approach to a two-stage stochastic portfolio optimization model with uncertain asset prices

Cui, Tianxiang; Bai, Ruibin; Ding, Shusheng; Parkes, Andrew J.; Qu, Rong; He, Fang; Li, Jingpeng

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Authors

Tianxiang Cui

Ruibin Bai

Shusheng Ding

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RONG QU rong.qu@nottingham.ac.uk
Professor of Computer Science

Fang He

Jingpeng Li



Abstract

© 2019, Springer-Verlag GmbH Germany, part of Springer Nature. Portfolio optimization is one of the most important problems in the finance field. The traditional Markowitz mean-variance model is often unrealistic since it relies on the perfect market information. In this work, we propose a two-stage stochastic portfolio optimization model with a comprehensive set of real-world trading constraints to address this issue. Our model incorporates the market uncertainty in terms of future asset price scenarios based on asset return distributions stemming from the real market data. Compared with existing models, our model is more reliable since it encompasses real-world trading constraints and it adopts CVaR as the risk measure. Furthermore, our model is more practical because it could help investors to design their future investment strategies based on their future asset price expectations. In order to solve the proposed stochastic model, we develop a hybrid combinatorial approach, which integrates a hybrid algorithm and a linear programming (LP) solver for the problem with a large number of scenarios. The comparison of the computational results obtained with three different metaheuristic algorithms and with our hybrid approach shows the effectiveness of the latter. The superiority of our model is mainly embedded in solution quality. The results demonstrate that our model is capable of solving complex portfolio optimization problems with tremendous scenarios while maintaining high solution quality in a reasonable amount of time and it has outstanding practical investment implications, such as effective portfolio constructions.

Citation

Cui, T., Bai, R., Ding, S., Parkes, A. J., Qu, R., He, F., & Li, J. (2020). A hybrid combinatorial approach to a two-stage stochastic portfolio optimization model with uncertain asset prices. Soft Computing, 24, 2809–2831. https://doi.org/10.1007/s00500-019-04517-y

Journal Article Type Article
Acceptance Date Nov 19, 2019
Online Publication Date Nov 19, 2019
Publication Date 2020-02
Deposit Date Jan 9, 2020
Publicly Available Date Mar 29, 2024
Journal Soft Computing
Print ISSN 1432-7643
Electronic ISSN 1433-7479
Publisher Springer Verlag
Peer Reviewed Peer Reviewed
Volume 24
Pages 2809–2831
DOI https://doi.org/10.1007/s00500-019-04517-y
Keywords Theoretical Computer Science; Software; Geometry and Topology
Public URL https://nottingham-repository.worktribe.com/output/3440503
Publisher URL https://link.springer.com/article/10.1007%2Fs00500-019-04517-y
Additional Information First Online: 19 November 2019; : ; : The authors declare that they have no conflict of interest.

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