“Volatility Persistence, Dynamic Co-Movements, and Portfolio Optimization in Digital Asset Markets: Disentangling Cross-Market Contagion from Internal Hedging Strategies”. Journal of International Financial Trends 2, no. 2 (June 29, 2026): 155–188. Accessed July 14, 2026. https://ojs.nexuspress.org/journal-jift/article/view/284.