Fund-level Investor Sentiment and Mean-variance Relation: Evidence From Singapore-listed ETFs. International Research in Economics and Finance, [S. l.], v. 6, n. 3, p. p18, 2022. DOI: 10.20849/iref.v6i3.1273. Disponível em: https://journal.chapjulypress.org/index.php/iref/article/view/2705. Acesso em: 7 mar. 2026.