IRANGI, Arnold Gideon; MUZINDUTSI, Paul-Francois; MUGUTO, Hillary Tinotenda; CYPRIAN NYATI, Malibongwe. Effects of Investor Sentiment and Geopolitical Risk on Stock Return Volatility in East African Frontier Markets: Evidence from a GARCH-X Framework. Finance, Accounting and Business Analysis (FABA), [S. l.], v. 8, n. 1, p. 74–90, 2026. DOI: 10.37075/FABA.2026.1.07. Disponível em: http://faba.bg/index.php/faba/article/view/328. Acesso em: 7 aug. 2026.