RIZKYA, DHEA RHENA (2025) Perbandingan Metode LightGBM dan XGBoost dalam Peramalan Harga Saham dengan Hyperparameter Optimization Optuna = Performance Comparison of LightGBM and XGBoost in Stock Price Forecasting with Hyperparameter Optimization Using Optuna. Skripsi thesis, UNIVERSITAS HASANUDDIN MAKASSAR.