Open access
Jul 2026
IDX30 Portfolio Construction using K-Means Clustering with MAD Risk Optimization and Sortino Ratio Evaluation
It is suggested that combining high-return stocks with moderate volatility, supported by clustering and downside risk optimization, can improve downside risk-adjusted performance, providing practical guidance for investors.
Rifki Pebriyandi, E. Sulistianingsih, Hendra Perdana et al.
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