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Limit Up–Limit Down: an effective response to the “Flash Crash”?

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  • Viktoria Dalko

Abstract

Purpose - The purpose of this paper is to assess the US Securities and Exchange Commission’s new regulation, Limit Up–Limit Down (LULD), against the background of manipulative high-frequency trading (HFT). Design/methodology/approach - This paper examines the background of HFT and related manipulative tactics by reviewing 43 articles of empirical research. It also examines areas in which LULD is effective and those in which LULD fails. The assessment of LULD is completed with a comparison between computerized regulation and legal enforcement in the contemporary reality of electronic trading platforms. Findings - The paper points out the effectiveness of LULD in regulating wild price volatility as well as its insufficiency when facing orderly but fast price momentum ignited by manipulative HFT such as “spoofing”. Practical implications - The findings may provide assistance to lawmakers and regulators to improve LULD regulation. Originality/value - This paper is the first attempt to assess LULD regulation against a comprehensive background of manipulative HFT. The paper is of value to other researchers concerned about the instability to the equity market that manipulative HFT can create. The paper is also of interest to policymakers in designing effective regulation in the high-frequency era.

Suggested Citation

  • Viktoria Dalko, 2016. "Limit Up–Limit Down: an effective response to the “Flash Crash”?," Journal of Financial Regulation and Compliance, Emerald Group Publishing Limited, vol. 24(4), pages 420-429, November.
    • Handle: RePEc:eme:jfrcpp:jfrc-04-2016-0040
    DOI: 10.1108/JFRC-04-2016-0040
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    Cited by:

    1. Viktoria Dalko & Michael H. Wang, 2020. "High-frequency trading: Order-based innovation or manipulation?," Journal of Banking Regulation, Palgrave Macmillan, vol. 21(4), pages 289-298, December.

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