STÁDNÍK, Bohumil; MIEČINSKIENĖ, Algita. Why does the Black-Scholes formula not work for historical volatility or expected drift?. Journal of Business Economics and Management, [S. l.], v. 27, n. 4, p. 822–839, 2026. DOI: 10.3846/jbem.2026.28052. Disponível em: https://journals.vilniustech.lt/index.php/JBEM/article/view/28052. Acesso em: 17 sep. 2026.