The Effects of Derivatives on the Earnings Volatility of Portuguese and Spanish Listed Companies. International Journal of Business Innovation, [S. l.], v. 1, n. 3, p. e30237, 2022. DOI: 10.34624/ijbi.v1i3.30237. Disponível em: https://proa.ua.pt/index.php/ijbi/article/view/30237. Acesso em: 12 feb. 2026.