Unsupervised Machine Learning Based Anomaly Detection in High Frequency Data: Evidence from Cryptocurrency Market. Pakistan Journal of Commerce and Social Sciences (ISSN 1997-8553), [S. l.], v. 19, n. 3, p. 407–440, 2025. Disponível em: https://jes.ac.pk/index.php/jes/article/view/511. Acesso em: 16 oct. 2025.