Carvalho, M. de M. et al. 2021. Volatility of intraday financial data: Multiscale Ibovespa behavior under to the COVID-19 pandemic. Semina: Ciências Exatas e Tecnológicas. 42, 1Supl (Apr. 2021), 25–34. DOI:https://doi.org/10.5433/1679-0375.2021v42n1Suplp25.