Impact of Copula Misspecification on Option Pricing Accuracy in CGMY Jump-Diffusion Models: A Comprehensive Analysis. International Journal of Development Mathematics (IJDM), [S. l.], v. 3, n. 2, p. 221–236, 2026. DOI: 10.62054/ijdm/0302.15. Disponível em: https://ijdm.org.ng/index.php/Journals/article/view/352.. Acesso em: 12 nov. 2026.