Modeling the volatility of stock prices for the Saudi stock marketgeneral index (TASI). Periodicals of Engineering and Natural Sciences, [S. l.], v. 8, n. 4, 2020. DOI: 10.21533/pen.v8.i4.1365. Disponível em: https://pen.ius.edu.ba/index.php/pen/article/view/1365. Acesso em: 19 jun. 2026.