ZHANG, Hairong. Time-Series Analysis and Forecasting of S&P500 Index Based on ARIMA and ETS Model. Highlights in Business, Economics and Management, [S. l.], v. 24, p. 306–316, 2024. DOI: 10.54097/anhgak96. Disponível em: https://drpress.org/ojs/index.php/HBEM/article/view/16012.. Acesso em: 12 jul. 2024.