Bitcoin Sentiment Index and its Impact on Stock Market Returns: An Evidence from 28 countries. Pakistan Business Review, Pakistan, v. 27, n. 4, p. 363–379, 2026. DOI: 10.22555/pbr.v27i4.1502. Disponível em: https://journals.iobm.edu.pk/index.php/pbr/article/view/1502. Acesso em: 22 apr. 2026.