Journal
GLOBAL FINANCE JOURNAL
Volume 26, Issue -, Pages 1-17Publisher
ELSEVIER
DOI: 10.1016/j.gfj.2015.01.001
Keywords
Investor sentiment; ISE; VAR model
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This study examines the effect of rational and irrational components of U.S. institutional and individual investor sentiment on Istanbul Stock Market (ISE) return and volatility. The results showthat there is a significant spillover effect of U.S. investor sentiment on stock return and volatility of ISE. A breakdown of sentiment by the type of investor shows that the impact of institutional sentiment is greater than that of individual sentiment. A breakdown of sentiment by rationality shows that the effect of rational sentiment on ISE return is faster though not necessarily greater than that of irrational sentiment. The conclusion fromthese results is that the effect of U.S. investor sentiment is systemic and cannot be diversified away. U.S. investor sentiment, therefore, constitutes a priced risk factor and must be accounted for accordingly in international asset pricing models. The findings also provide some evidence of a negative relationship between U.S. investor sentiment and ISE return volatility. (C) 2015 Elsevier Inc. All rights reserved.
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