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pacome delva

Can Google Predict the Stock Market? - ScienceNOW - 2 views

news.sciencemag.org/...-google-predict-the-stock.html

stock_market google

shared by pacome delva on 15 Nov 10 - No Cached
  • Luís F. Simões on 15 Nov 10
     
    in related news: Twitter Mood Predicts The Stock Market "An analysis of almost 10 million tweets from 2008 shows how they can be used to predict stock market movements up to 6 days in advance" http://www.technologyreview.com/blog/arxiv/25900/ http://arxiv.org/abs/1010.3003
  • ...1 more comment...
  • LeopoldS on 16 Nov 10
     
    not overly impressive: "The Google data could not predict the weekly fluctuations in stock prices. However, the team found a strong correlation between Internet searches for a company's name and its trade volume, the total number of times the stock changed hands over a given week."
  • Francesco Biscani on 16 Nov 10
     
    Likewise, I can predict the statistical properties of white noise :-)
  • nikolas smyrlakis on 18 Nov 10
     
    the problem is that usually the google search queries and the twitter updates happen after a crisis for example. I dont really think that people all over the world suddenly realised that Lehman would collapse and started googling it like crazy before it collapsed. More likely they did it afterwards.
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