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Information Disclosure and Market Quality: The Effect of SEC Rule 605 on Trading Costs

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  • Zhao, Xin
  • Chung, Kee H.

Abstract

The Securities and Exchange Commission (SEC) adopted Rule 605 (formerly Rule 11Ac1–5) on November 15, 2000. The Rule requires market centers to make monthly public disclosure of execution quality. The Rule is intended to achieve a more competitive and efficient national market system by increasing the visibility of execution quality. The effective and quoted spreads for our study sample of NYSE, AMEX, and NASDAQ stocks declined significantly after implementation of the Rule. The decline cannot be attributed to a secular trend in spreads, concurrent changes in stock attributes, or the effect of decimal pricing. Although the quoted depth of NYSE stocks also declined, overall market quality is higher after implementation of the Rule. Based on these results, we conclude that the SEC's goal to improve execution quality through more transparent markets has been achieved.

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  • Zhao, Xin & Chung, Kee H., 2007. "Information Disclosure and Market Quality: The Effect of SEC Rule 605 on Trading Costs," Journal of Financial and Quantitative Analysis, Cambridge University Press, vol. 42(3), pages 657-682, September.
    • Handle: RePEc:cup:jfinqa:v:42:y:2007:i:03:p:657-682_00
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    Cited by:

    1. Siegmann, Arjen & Stefanova, Denitsa, 2017. "The evolving beta-liquidity relationship of hedge funds," Journal of Empirical Finance, Elsevier, vol. 44(C), pages 286-303.
    2. Jiang, Christine X. & Kim, Jang-Chul & Zhou, Dan, 2011. "Liquidity, analysts, and institutional ownership," International Review of Financial Analysis, Elsevier, vol. 20(5), pages 335-344.
    3. Chung, Kee H. & Chuwonganant, Chairat, 2009. "Transparency and market quality: Evidence from SuperMontage," Journal of Financial Intermediation, Elsevier, vol. 18(1), pages 93-111, January.
    4. Aghanya, Daniel & Agarwal, Vineet & Poshakwale, Sunil, 2020. "Market in Financial Instruments Directive (MiFID), stock price informativeness and liquidity," Journal of Banking & Finance, Elsevier, vol. 113(C).
    5. He, Yinghua & Nielsson, Ulf & Guo, Hong & Yang, Jiong, 2014. "Subscribing to transparency," Journal of Banking & Finance, Elsevier, vol. 44(C), pages 189-206.
    6. Ke Meng & Shouhao Li, 2021. "The adaptive market hypothesis and high frequency trading," PLOS ONE, Public Library of Science, vol. 16(12), pages 1-19, December.
    7. Liang Ding & Hao Zou & Vittorio Addona, 2012. "Semi‐transparency, dealership market, and foreign exchange market quality," Review of Financial Economics, John Wiley & Sons, vol. 21(1), pages 1-13, January.
    8. Bae, Sung C. & Li, Mingsheng & Shi, Jing, 2009. "Does the law of one price hold better under a flexible exchange rate system?," Journal of Multinational Financial Management, Elsevier, vol. 19(4), pages 306-322, October.
    9. Papavassiliou, Vassilios G. & Kinateder, Harald, 2021. "Information shares and market quality before and during the European sovereign debt crisis," Journal of International Financial Markets, Institutions and Money, Elsevier, vol. 72(C).

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