HABIB, Duaa Saleh; AL-JUBOURI, Haider Jassim. Building an Optimal Portfolio: Using the CAPM and CAT-OFF Models: A Comparative Analytical Study of the Iraq Stock Exchange. Al-Ghary Journal of Economic and Administrative Sciences, Kufa, Najaf, IRAQ, v. 21, n. 3, p. 1–21, 2026. DOI: 10.36325/ghjec.v21i3.20350. Disponível em: https://journal.uokufa.edu.iq/index.php/ghjec/article/view/20350. Acesso em: 2 oct. 2026.