Laksana, R., Nugraha, E., Sukardi, H. and Kharisman, A. (2026) “Rethinking Cryptocurrency Performance: Downside Risk Evaluation Using Sortino and Calmar Ratios”, Ekonomi, Keuangan, Investasi dan Syariah (EKUITAS), 8(1), pp. 92-100. doi: 10.47065/ekuitas.v8i1.10747.