Value at risk using smoothing techniques: a proposal in the foreign exchange market. Dimensión Empresarial, [S. l.], v. 16, n. 2, p. 99–110, 2018. DOI: 10.15665/dem.v16i2.1903. Disponível em: http://ojs.uac.edu.co/index.php/dimension-empresarial/article/view/1903. Acesso em: 29 apr. 2026.