Mahdavi H, Foroughnejad H, Sadri M. A Financial Engineering Approach to Cryptocurrency Portfolio Risk Management Using Copula-GARCH Models, Extreme Value Theory, and Machine Learning. BMF OPEN. Published online July 1, 2027:1-18. Accessed July 2, 2026. https://www.bmfopen.com/index.php/bmfopen/article/view/502