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Short Selling and the Weekend Effect in Nasdaq Stock Returns


  • Stephen E. Christophe
  • Michael G. Ferri
  • James J. Angel


We examine daily short selling of Nasdaq stocks to explore whether speculative short selling causes a significant portion of the weekend effect in returns. We identify a weekend effect in speculative short selling whereby it constitutes a larger percentage of trading volume on Mondays versus Fridays. We find an opposite effect in dealer short selling, consistent with market makers adding liquidity and stability. Our main finding is that speculative short selling does not explain an economically meaningful portion of the weekend effect in returns, even among the firms most that are most actively shorted. This finding contradicts some prior studies. Copyright (c) 2009, The Eastern Finance Association.

Suggested Citation

  • Stephen E. Christophe & Michael G. Ferri & James J. Angel, 2009. "Short Selling and the Weekend Effect in Nasdaq Stock Returns," The Financial Review, Eastern Finance Association, vol. 44(1), pages 31-57, February.
  • Handle: RePEc:bla:finrev:v:44:y:2009:i:1:p:31-57

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    Cited by:

    1. Yan, Zhipeng & Cheng, Lee-Young & Zhao, Yan & Huang, Chung-Yuan, 2016. "Daily short covering activity and the weekend effect: Evidence from Taiwan," Pacific-Basin Finance Journal, Elsevier, vol. 36(C), pages 166-184.
    2. Guglielmo Maria Caporale & Luis Gil-Alana & Alex Plastun & Inna Makarenko, 2014. "The Weekend Effect: A Trading Robot and Fractional Integration Analysis," Discussion Papers of DIW Berlin 1386, DIW Berlin, German Institute for Economic Research.
    3. Kazemi, Hossein S. & Zhai, Weili & He, Jibao & Cai, Jinghan, 2013. "Stock Market Volatility, Speculative Short Sellers and Weekend Effect: International Evidence," MPRA Paper 54185, University Library of Munich, Germany, revised 15 Jul 2013.
    4. Bartley R. Danielsen & Robert A. Van Ness & Richard S. Warr, 2009. "Single Stock Futures as a Substitute for Short Sales: Evidence from Microstructure Data," Journal of Business Finance & Accounting, Wiley Blackwell, vol. 36(9-10), pages 1273-1293.
    5. Marco Valerio Geraci & Tomas Garbaravicius & David Veredas, 2016. "Short Selling in the Tails," Working Papers ECARES ECARES 2016-30, ULB -- Universite Libre de Bruxelles.
    6. Jinghan Cai & Jibao He & Le Xia & Weili Zhai, 2017. "Weekend Effect and Short Sales: Evidence from Hong Kong," International Journal of Economics and Financial Research, Academic Research Publishing Group, vol. 3(2), pages 8-18, 02-2017.
    7. repec:eee:finmar:v:33:y:2017:i:c:p:124-142 is not listed on IDEAS
    8. Gao, Pengjie & Hao, Jia & Kalcheva, Ivalina & Ma, Tongshu, 2015. "Short sales and the weekend effect—Evidence from a natural experiment," Journal of Financial Markets, Elsevier, vol. 26(C), pages 85-102.
    9. James Philpot & Craig A. Peterson, 2011. "A brief history and recent developments in day-of-the-week effect literature," Managerial Finance, Emerald Group Publishing, vol. 37(9), pages 808-816, August.
    10. Huang, MeiChi & Wu, Chih-Chiang & Liu, Shih-Min & Wu, Chang-Che, 2016. "Facts or fates of investors' losses during crises? Evidence from REIT-stock volatility and tail dependence structures," International Review of Economics & Finance, Elsevier, vol. 42(C), pages 54-71.
    11. Blau, Benjamin M. & Van Ness, Bonnie F. & Van Ness, Robert A., 2009. "Information and trade sizes: The case of short sales," The Quarterly Review of Economics and Finance, Elsevier, vol. 49(4), pages 1371-1388, November.

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