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Insider Trading and the Bid-Ask Spread

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  • Chung, Kee H
  • Charoenwong, Charlie
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    Abstract

    This study examines the intertemporal and cross-sectional association between the bid-ask spread and insider trading. Empirical results from the cross-sectional regression analysis reveal that market makers establish larger spreads for stocks with a greater extent of insider trading. The time-series regression analysis, however, finds no evidence of spread changes on insider trading days. These results suggest that although market makers may not be able to detect insider trading when it occurs, they protect themselves by maintaining larger spreads for stocks with a greater tendency of insider trading. The results also reveal that market makers establish larger spreads when there are unusually large transactions. In addition, this study finds that spreads are positively associated with risk and negatively with trading volume, the number of exchange listings, share price, and firm size. Copyright 1998 by MIT Press.

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    Bibliographic Info

    Article provided by Eastern Finance Association in its journal The Financial Review.

    Volume (Year): 33 (1998)
    Issue (Month): 3 (August)
    Pages: 1-20

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    Handle: RePEc:bla:finrev:v:33:y:1998:i:3:p:1-20

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    Web page: http://www.easternfinance.org/
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    Web: http://www.blackwellpublishing.com/subs.asp?ref=0732-8516

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    Cited by:
    1. Jiang, Christine & McInish, Thomas & Upson, James, 2009. "The information content of trading halts," Journal of Financial Markets, Elsevier, vol. 12(4), pages 703-726, November.
    2. Aktas, Nihat & de Bodt, Eric & Van Oppens, Hervé, 2008. "Legal insider trading and market efficiency," Journal of Banking & Finance, Elsevier, vol. 32(7), pages 1379-1392, July.
    3. Charoenwong, Charlie & Ding, David K. & Siraprapasiri, Vasan, 2011. "Adverse selection and corporate governance," International Review of Economics & Finance, Elsevier, vol. 20(3), pages 406-420, June.
    4. Acharya, Viral V & Johnson, Tim, 2005. "Insider Trading in Credit Derivatives," CEPR Discussion Papers 5180, C.E.P.R. Discussion Papers.
    5. José M. Marín & Antoni Sureda-Gomila, 2006. "Firms vs. insiders as traders of last resort," Economics Working Papers 999, Department of Economics and Business, Universitat Pompeu Fabra.
    6. Pierre Collin-Dufresne & Vyacheslav Fos, 2012. "Do prices reveal the presence of informed trading?," NBER Working Papers 18452, National Bureau of Economic Research, Inc.
    7. Cheng, Louis & Firth, Michael & Leung, T.Y. & Rui, Oliver, 2006. "The effects of insider trading on liquidity," Pacific-Basin Finance Journal, Elsevier, vol. 14(5), pages 467-483, November.

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