Google Internet search activity and volatility prediction in the market for foreign currency |
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Authors: | Geoffrey Peter Smith |
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Institution: | 1. School of Management, University of St Andrews, St Andrews, KY16 9RJ Scotland, UK;2. Southampton Business School, University of Southampton, Southampton SO17 1BJ, UK;3. Business School, University of Aberdeen, Aberdeen AB24 3FX, UK;4. Essex Business School, University of Essex, Wivenhoe Park, Colchester CO4 3SQ, UK |
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Abstract: | I study whether evolution in the number of Google Internet searches for particular keywords can predict volatility in the market for foreign currency. I find that data on Google searches for the keywords economic crisis + financial crisis and recession has incremental predictive power beyond the GARCH(1,1). These results support the mixture of distributions hypothesis in that volatility is linked to the stochastic rate at which information flows into the marketplace. These results also demonstrate the potential for Google to become a storehouse of information for financial markets. |
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