GUO, Y. Portfolio Risk Management: An Empirical Study Based on ARIMA and Random Forest. Asia Pacific Economic and Management Review, [S. l.], v. 2, n. 6, 2025. DOI: 10.62177/apemr.v2i6.940. Disponível em: https://ojs.apspublisher.com/index.php/apemr/article/view/940. Acesso em: 18 dec. 2025.