Behavioral heterogeneity and financial markets: Locked/crossed quotes under informationally efficient pricing

Youzong Xu, Bo Li

Research output: Journal PublicationArticlepeer-review

Abstract

Market professionals and regulators have been concerned by locked/crossed quotes (negative quoted spreads) for years. To ease the concerns that locked/crossed quotes may cause confusion or instability in financial markets and to promote market efficiency, the Securities and Exchange Commission implemented rules that ban locked/crossed quotes. We consider a competitive financial market that does not contain the factors considered by market professionals and regulators consider as the origins of locked/crossed quotes. We find that if there are at least three types of traders in this financial market, locked/crossed quotes can arise naturally under efficient pricing. These locked/crossed quotes reflect information transmitted in financial markets, facilitating price discovery. Hence, regulations banning locked/crossed quotes are inappropriate, as these regulations may harm the efficiency of price discovery.

Original languageEnglish
Article number1384524
JournalCogent Economics and Finance
Volume5
Issue number1
DOIs
Publication statusPublished - 1 Jan 2017
Externally publishedYes

Keywords

  • adverse selection
  • behavioral heterogeneity
  • locked/crossed quotes

ASJC Scopus subject areas

  • Finance
  • Economics and Econometrics

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