DUAN, C.-W.; HUNG, K.; LIU, S. Forecasting Volatility With Spot Index and Index Futures: Evidence From Taiwan . Journal of Accounting and Finance, [S. l.], v. 21, n. 2, 2021. Disponível em: https://articlearchives.co/index.php/JAF/article/view/292. Acesso em: 12 oct. 2025.