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Short Selling and Inside Information

Author

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  • Fernando D. Chague
  • Rodrigo De-Losso, Alan De Genaro, Bruno C. Giovannetti

Abstract

Using data on all lending deals in the Brazilian stock market from 2009 to 2011, we provide answers to: i) are short-sellers informed in Brazil?, ii) which short sellers are informed?, and iii) how are short sellers informed? The answer to the first question is positive, the Brazilian short-seller is informed. Among short-sellers, individual investors are the most informed ones followed by investment funds. As to how they short-sell, we show that funds tend to short-sell on the days and the day after news releases, an indication that funds short-sell after processing news. On the other hand, individual investors increase short-selling activity in advance of bad news and decrease short-selling activity prior to good news. We take this as a strong indication of inside information trading in the short selling market.

Suggested Citation

  • Fernando D. Chague & Rodrigo De-Losso, Alan De Genaro, Bruno C. Giovannetti, 2013. "Short Selling and Inside Information," Working Papers, Department of Economics 2013_06, University of São Paulo (FEA-USP), revised 28 Jul 2016.
    • Handle: RePEc:spa:wpaper:2013wpecon6
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    References listed on IDEAS

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    Cited by:

    1. José Renato Haas Ornelas & Pablo José Campos de Carvalho, 2021. "Short‐selling costs and asymmetric price response to economic shocks: A transaction cost explanation to price overshooting," International Journal of Finance & Economics, John Wiley & Sons, Ltd., vol. 26(2), pages 1745-1772, April.
    2. José Renato Haas Ornelas & Pablo José Campos de Carvalho, 2015. "The Cost of Shorting, Asymmetric Performance Reaction and the Price Response to Economic Shocks," Working Papers Series 383, Central Bank of Brazil, Research Department.

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    More about this item

    Keywords

    Asymmetric information; Manipulation; News media; Short sales;
    All these keywords.

    JEL classification:

    • 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
    • G15 - Financial Economics - - General Financial Markets - - - International Financial Markets
    • G28 - Financial Economics - - Financial Institutions and Services - - - Government Policy and Regulation

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