SARI, Ida Ayu Artha Widya; SUADMAYA, Ida Bagus; PRAMESWARA, I Gusti Agung Bagus Putra; NANDINI, I Gusti Ayu Agung Nararatna Mirah; PUTRA, I Putu Agus Aditya Pramana; ASTUTI, Ni Kadek Adi; KRISTINA, I Gusti Agung Rai; ADIBASWARA, Made Mas Ananda; ADHITAMA, Sang Putu Krisnanda. OPTIMAL PORTFOLIO FORMATION USING SINGLE INDEX MODEL OF LQ45 STOCKS IN INDONESIA STOCK EXCHANGE FOR 2021-2024 PERIOD. Proceeding of TEAMS: The International Conference on Tourism, Economic, Accounting, Management and Social Science, [S. l.], v. 10, p. 439–451, 2025. Disponível em: https://eproceeding.undiksha.ac.id/index.php/teams/article/view/1088. Acesso em: 1 jan. 2026.