Divergent opinions on social media

Divergent opinions on social media
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DOI:
10.1016/j.iref.2023.03.004
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发表时间:
2023-03
期刊:
International Review of Economics & Finance
影响因子:
--
通讯作者:
Kotaro Miwa
Kotaro Miwa
中科院分区:
其他
文献类型:
--
作者:
Kotaro Miwa

文献摘要

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本研究分析了观点与共识存在分歧的推文的信息价值。我利用每家公司盘中最积极和最消极的社交媒体情绪来识别它们。我发现这些不同的观点(特别是负面观点)可以预测股票收益,而不会出现随后的逆转。此外,它们还包含通过随后对分析师目标价格和盈利预测的修订确定的公司基本面的增量信息。最后,我发现回报的可预测性归因于不同观点中所包含的基本面信息。我的分析揭示了社交媒体上不同意见的作用。
This study analyzes the informational value of tweets in which opinions diverge from the consensus. I identify them using each firm's most positive and negative intraday social media sentiments. I find that these divergent opinions—specifically, negative ones—predict stock returns without subsequent reversals. Additionally, they contain incremental information on firm fundamentals identified by subsequent revisions to analysts' target prices and earnings forecasts. Finally, I find that return predictability is attributed to the fundamental information contained in the divergent opinions. My analysis sheds light on the role of divergent opinions on social media.