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Overstated Expectations on Predicting Stock Markets using Google Trends
Jaewook Lee(이재욱),Han, Sangwoo(한상우),Lee, Sujee(이수지),Koo, Bonhyo(구본효) 대한산업공학회 2014 대한산업공학회 추계학술대회논문집 Vol.2014 No.11
? Human behavior assuredly affects financial markets. What makes it hard to take into consideration those influence is that the behavior of market participants is rather hard to quantify. ? Notwithstanding, data sources, such as Google query volumes or pageviews of Wikipedia, have been suggested as reflections of human behavior. Several studies claimed that stock market fluctuations could be foreseen with such data sets. ? By analyzing Google query volumes, however, we find "early warning signs" works only when stock markets crashes. We also find some patterns may reverse depending on the circumstances.