Web Search Queries Can Predict Stock Market Volumes

Verfasser / Beitragende:
[Ilaria Bordino, Stefano Battiston, Guido Caldarelli, Matthieu Cristelli, Antti Ukkonen, Ingmar Weber]
Ort, Verlag, Jahr:
2012
Enthalten in:
PLoS ONE, 7 (7), p. e40014
Format:
Artikel (online)
ID: 528784544
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024 7 0 |a 10.3929/ethz-b-000057376  |2 doi 
024 7 0 |a 10.1371/journal.pone.0040014  |2 doi 
035 |a (ETHRESEARCH)oai:www.research-collecti.ethz.ch:20.500.11850/57376 
245 0 0 |a Web Search Queries Can Predict Stock Market Volumes  |h [Elektronische Daten]  |c [Ilaria Bordino, Stefano Battiston, Guido Caldarelli, Matthieu Cristelli, Antti Ukkonen, Ingmar Weber] 
246 0 |a PLoS ONE 
506 |a Open access  |2 ethresearch 
520 3 |a We live in a computerized and networked society where many of our actions leave a digital trace and affect other people's actions. This has lead to the emergence of a new data-driven research field: mathematical methods of computer science, statistical physics and sociometry provide insights on a wide range of disciplines ranging from social science to human mobility. A recent important discovery is that search engine traffic (i.e., the number of requests submitted by users to search engines on the www) can be used to track and, in some cases, to anticipate the dynamics of social phenomena. Successful examples include unemployment levels, car and home sales, and epidemics spreading. Few recent works applied this approach to stock prices and market sentiment. However, it remains unclear if trends in financial markets can be anticipated by the collective wisdom of on-line users on the web. Here we show that daily trading volumes of stocks traded in NASDAQ-100 are correlated with daily volumes of queries related to the same stocks. In particular, query volumes anticipate in many cases peaks of trading by one day or more. Our analysis is carried out on a unique dataset of queries, submitted to an important web search engine, which enable us to investigate also the user behavior. We show that the query volume dynamics emerges from the collective but seemingly uncoordinated activity of many users. These findings contribute to the debate on the identification of early warnings of financial systemic risk, based on the activity of users of the www. 
540 |a Creative Commons Attribution 3.0 Unported  |u http://creativecommons.org/licenses/by/3.0  |2 ethresearch 
700 1 |a Bordino  |D Ilaria  |e joint author 
700 1 |a Battiston  |D Stefano  |e joint author 
700 1 |a Caldarelli  |D Guido  |e joint author 
700 1 |a Cristelli  |D Matthieu  |e joint author 
700 1 |a Ukkonen  |D Antti  |e joint author 
700 1 |a Weber  |D Ingmar  |e joint author 
773 0 |t PLoS ONE  |d Lawrence, KS, USA : Public Library of Science  |g 7 (7), p. e40014  |x 1932-6203 
856 4 0 |u http://hdl.handle.net/20.500.11850/57376  |q text/html  |z WWW-Backlink auf das Repository (Open access) 
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950 |B ETHRESEARCH  |P 700  |E 1-  |a Bordino  |D Ilaria  |e joint author 
950 |B ETHRESEARCH  |P 700  |E 1-  |a Battiston  |D Stefano  |e joint author 
950 |B ETHRESEARCH  |P 700  |E 1-  |a Caldarelli  |D Guido  |e joint author 
950 |B ETHRESEARCH  |P 700  |E 1-  |a Cristelli  |D Matthieu  |e joint author 
950 |B ETHRESEARCH  |P 700  |E 1-  |a Ukkonen  |D Antti  |e joint author 
950 |B ETHRESEARCH  |P 700  |E 1-  |a Weber  |D Ingmar  |e joint author 
950 |B ETHRESEARCH  |P 773  |E 0-  |t PLoS ONE  |d Lawrence, KS, USA : Public Library of Science  |g 7 (7), p. e40014  |x 1932-6203 
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