Facebook's daily sentiment and international stock markets

Antonios Siganos, Evangelos Vagenas-Nanos and Patrick Verwijmeren

Journal of Economic Behavior & Organization, 2014, vol. 107, issue PB, 730-743

Abstract: We examine the relation between daily sentiment and trading behavior within 20 international markets by exploiting Facebook's Gross National Happiness Index. We find that sentiment has a positive contemporaneous relation to stock returns. Moreover, sentiment on Sunday affects stock returns on Monday, suggesting causality from sentiment to stock markets. We observe that the relation between sentiment and returns reverses the following weeks. We further show that negative sentiments are related to increases in trading volume and return volatility. These results highlight the importance of behavioral factors in stock investing.

Keywords: Behavioral finance; Sentiment; Facebook's gross national happiness index (search for similar items in EconPapers)
Date: 2014
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Citations: View citations in EconPapers (77)

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Persistent link: https://EconPapers.repec.org/RePEc:eee:jeborg:v:107:y:2014:i:pb:p:730-743

DOI: 10.1016/j.jebo.2014.06.004

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