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Do online searches actually measure future retail investor trades?

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  • de Castro, Jessica
  • Piccoli, Pedro

Abstract

Using the total daily amount traded exclusively by retail investors in the Brazilian stock market from 2018 to 2020, we find that online searches exhibit a strong association with the future trades of retail investors and that this relationship is observable under different market conditions. Moreover, we also document that the alternative approaches commonly used in the literature to capture investor attention with online searches, such as tickers versus company names, market index attention versus aggregated individual stock attention, or log-differences versus abnormal log-differences of search volumes, are all consistent measures to capture future investor trades. Overall, our findings strongly support the view that online searches are a coherent proxy for the presence of retail investors in the stock market.

Suggested Citation

  • de Castro, Jessica & Piccoli, Pedro, 2023. "Do online searches actually measure future retail investor trades?," International Review of Financial Analysis, Elsevier, vol. 86(C).
    • Handle: RePEc:eee:finana:v:86:y:2023:i:c:s1057521923000686
    DOI: 10.1016/j.irfa.2023.102552
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    References listed on IDEAS

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    More about this item

    Keywords

    Investor attention; Online searches; Retail investors; Google trends;
    All these keywords.

    JEL classification:

    • G10 - Financial Economics - - General Financial Markets - - - General (includes Measurement and Data)
    • G12 - Financial Economics - - General Financial Markets - - - Asset Pricing; Trading Volume; Bond Interest Rates
    • G14 - Financial Economics - - General Financial Markets - - - Information and Market Efficiency; Event Studies; Insider Trading

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