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The relationship between insider trading and volume-induced return autocorrelation


  • Gilbert, Aaron
  • Tourani Rad, Alireza
  • Wisniewski, Tomasz Piotr


As was establihed in Llorenteetal (2001) the dynamic relationship between return and volume is a function of information asymmetry. This study extends their analysis by linking the volume induced return auto correlarion coefficients with the level of disclosed insider trading. Using New Zealand data, we document a strong link between the sustainability of tradegenerated price changes and the extent of insidertrading. This relationship is robust to alternative econometric specifications and remains significant even after controlling for conventional measure of information asymmetry such as bid-ask spreads size ananalyst following. This suggests that volume induced autocorrelation may be a suitable criterion on which to rank firms on the level of private information trading.

Suggested Citation

  • Gilbert, Aaron & Tourani Rad, Alireza & Wisniewski, Tomasz Piotr, 2005. "The relationship between insider trading and volume-induced return autocorrelation," Working Paper Series 2005,9, European University Viadrina Frankfurt (Oder), The Postgraduate Research Programme Capital Markets and Finance in the Enlarged Europe.
  • Handle: RePEc:zbw:euvgra:20059

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    Insidertrading; return autocorrelation;

    JEL classification:

    • G14 - Financial Economics - - General Financial Markets - - - Information and Market Efficiency; Event Studies; Insider Trading
    • C22 - Mathematical and Quantitative Methods - - Single Equation Models; Single Variables - - - Time-Series Models; Dynamic Quantile Regressions; Dynamic Treatment Effect Models; Diffusion Processes


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