Multi-Period Portfolio Optimization Model with Cone Constraints and Discrete Decisions

This work develops a practical multi-period optimization approach that incorporates real-world constraints, including discrete decisions and conic risk constraints. Expanding upon earlier single-period models, our framework employs a binary scenario tree derived from monthly returns of randomly sele...

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Vydáno v:Journal of risk and financial management Ročník 18; číslo 4; s. 218
Hlavní autoři: Sağlam, Ümit, Benson, Hande Y.
Médium: Journal Article
Jazyk:angličtina
Vydáno: Basel MDPI AG 01.04.2025
Témata:
Algorithms
Analysis
Approximation
Asset allocation
Costs
Decision making
Diversification
Investment analysis
Investors
Optimization
Performance evaluation
Random variables
ISSN:1911-8074, 1911-8066, 1911-8074
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Shrnutí:This work develops a practical multi-period optimization approach that incorporates real-world constraints, including discrete decisions and conic risk constraints. Expanding upon earlier single-period models, our framework employs a binary scenario tree derived from monthly returns of randomly selected S&P 500 stocks to represent market evolution across multiple periods. The formulation captures essential portfolio constraints, such as transaction fees, sector diversification, and minimum investment thresholds, resulting in a robust and comprehensive optimization approach. To efficiently solve the resulting mixed-integer second-order cone programming (MISOCP) problem, we employ an outer approximation algorithm with a warmstart strategy, which significantly improves solution runtimes and computational efficiency. Numerical experiments demonstrate the model’s effectiveness, showing an average improvement of 10.71% in iteration count and 15.24% in computational time when using the warmstart approach.
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ISSN:1911-8074
1911-8066
1911-8074
DOI:10.3390/jrfm18040218