المجلة الدولية للاداء الاقتصادي
Volume 8, Numéro 2, Pages 308-320
2025-12-20

Particle Swarm Optimization For Constrained Financial Portfolio Selection: An Empirical Study On The Us Market

Authors : Saib‬‏ ‪abdallah . Boussalem Aboubakr . Kadri Al-shakri .

Abstract

This study investigates Particle Swarm Optimization (PSO) application to portfolio optimization under realistic investment constraints. Using 48 liquid assets' market data (2019-2024), we compare PSO against classical Markowitz optimization and equal-weight benchmarks. The PSO algorithm incorporates weight limits (20%), sector concentration (40%), volatility targeting (18%), and diversification requirements. Results demonstrate PSO's superior performance with Sharpe ratio of 0.9192 versus 0.7281 for constrained Markowitz and 0.7499 for equal-weight portfolios, achieving 26.2% improvement in risk-adjusted returns.

Keywords

Portfolio Optimization ; Particle Swarm ; Constrained Optimization ; Risk Management ; Sharpe Ratio