Krystyniak, Karolina; Liu, Hongqi; Hu, Huajing - In: International Journal of Financial Studies : open … 13 (2025) 3, pp. 1-27
We study a direct, firm-level measure of investor sentiment derived from social media (BTSS sentiment). While related to firm fundamentals, BTSS sentiment contains a substantial non-fundamental component. We decompose sentiment into fundamental and pure sentiment and show that return...