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An Empirical Analysis of the Effects of Online Trading on Stock Price and Trading Volume Reactions to Earnings Announcements

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  • Anwer S. Ahmed
  • Richard A. Schneible
  • Douglas E. Stevens

Abstract

This study provides evidence regarding the effects of online trading on stock price and trading volume reactions to quarterly earnings announcements. We test for differences in stock price and volume reactions to quarterly earnings announcements between a period with a significant amount of online trading (1996†99) and a period without online trading (1992†95). We conjecture that online trading has increased the proportion of naive investors in the market. We predict that this will result in (1) a decrease in the average precision of investor information prior to earnings announcements leading to higher earnings response coefficients (ERCs), (2) an increase in differential interpretation of earnings leading to higher trading volume reactions that are unrelated to price change, and (3) a decrease in differential prior precision leading to a decrease in the association between trading volume and absolute price change. We find evidence consistent with all three predictions. Our findings are relevant for assessing the validity of concerns about online trading expressed by regulators and the validity of theoretical models of trade with asymmetrically informed investors.

Suggested Citation

  • Anwer S. Ahmed & Richard A. Schneible & Douglas E. Stevens, 2003. "An Empirical Analysis of the Effects of Online Trading on Stock Price and Trading Volume Reactions to Earnings Announcements," Contemporary Accounting Research, John Wiley & Sons, vol. 20(3), pages 413-439, September.
    • Handle: RePEc:wly:coacre:v:20:y:2003:i:3:p:413-439
    DOI: 10.1506/N2XD-TF8Y-JT4L-L6V0
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    Cited by:

    1. Peter M. Clarkson & Daniel Joyce & Irene Tutticci, 2006. "Market reaction to takeover rumour in Internet Discussion Sites," Accounting and Finance, Accounting and Finance Association of Australia and New Zealand, vol. 46(1), pages 31-52, March.
    2. Janvrin, Diane & Mascha, Maureen Francis, 2014. "The financial close process: Implications for future research," International Journal of Accounting Information Systems, Elsevier, vol. 15(4), pages 381-399.
    3. Hervé, Fabrice & Zouaoui, Mohamed & Belvaux, Bertrand, 2019. "Noise traders and smart money: Evidence from online searches," Economic Modelling, Elsevier, vol. 83(C), pages 141-149.
    4. Jon A. Garfinkel & Jonathan Sokobin, 2006. "Volume, Opinion Divergence, and Returns: A Study of Post–Earnings Announcement Drift," Journal of Accounting Research, Wiley Blackwell, vol. 44(1), pages 85-112, March.
    5. Gaynor, Gregory & Morton, Richard, 2013. "The effect of the summer doldrums on the market reaction to earnings announcements," Advances in accounting, Elsevier, vol. 29(2), pages 195-204.
    6. Leung, Henry & Ton, Thai, 2015. "The impact of internet stock message boards on cross-sectional returns of small-capitalization stocks," Journal of Banking & Finance, Elsevier, vol. 55(C), pages 37-55.
    7. Chunlai Ye & Lin-Hui Yu, 2018. "The effect of restatements on trading volume reactions to earnings announcements," Review of Quantitative Finance and Accounting, Springer, vol. 50(1), pages 129-180, January.
    8. Olibe, Kingsley O., 2016. "Security Returns and Volume Responses Around International Financial Reporting Standards (IFRS) Earnings Announcements," The International Journal of Accounting, Elsevier, vol. 51(2), pages 240-265.
    9. Chan, Terence & Watson, Iain & Wee, Marvin, 2005. "The impact of the Internet on earnings announcements," Pacific-Basin Finance Journal, Elsevier, vol. 13(3), pages 263-300, June.
    10. Ahmed, Anwer S. & Schneible Jr., Richard A., 2007. "The impact of regulation Fair Disclosure on investors' prior information quality -- Evidence from an analysis of changes in trading volume and stock price reactions to earnings announcements," Journal of Corporate Finance, Elsevier, vol. 13(2-3), pages 282-299, June.
    11. repec:grz:wpsses:2020-04 is not listed on IDEAS
    12. Fink, Josef, 2021. "A review of the Post-Earnings-Announcement Drift," Journal of Behavioral and Experimental Finance, Elsevier, vol. 29(C).
    13. Elayan, Fayez A. & Pacharn, Parunchana & Li, Jennifer & Brown, Kareen & Chen, Yijia, 2023. "The market response to mandatory disclosure of payments to foreign governments," The British Accounting Review, Elsevier, vol. 55(6).
    14. Lepori, Gabriele M., 2015. "Positive mood and investment decisions: Evidence from comedy movie attendance in the U.S," Research in International Business and Finance, Elsevier, vol. 34(C), pages 142-163.
    15. Fernando, Guy D. & Schneible, Richard A. & Tripathy, Arindam, 2016. "Firm strategy and market reaction to earnings," Advances in accounting, Elsevier, vol. 33(C), pages 20-34.
    16. Shahid Khan & Mark Anderson & Hussein Warsame & Michael Wright, 2015. "Do IFRS‐Based Earnings Announcements Have More Information Content than Canadian GAAP‐Based Earnings Announcements?," Accounting Perspectives, John Wiley & Sons, vol. 14(3), pages 276-302, September.
    17. Chiao, Chaoshin & Lin, Tung-Ying & Lee, Cheng-Few, 2017. "The reactions to on-air stock reports: Prices, volume, and order submission behavior," Pacific-Basin Finance Journal, Elsevier, vol. 44(C), pages 27-46.

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