Contagious margin calls: How COVID-19 threatened global stock market liquidity

Sean Foley, Amy Kwan, Richard Philip, Bernt Arne Ødegaard

Research output: Contribution to journalArticlepeer-review

1 Citation (Scopus)

Abstract

The outbreak of the COVID-19 pandemic caused some of the largest — and fastest — market dislocations in modern history. During the outbreak, liquidity quickly evaporated in a coordinated fashion across global markets. We show that a sudden increase in margin requirements during the pandemic is correlated with the withdrawal of global liquidity providers. These effects are concentrated in securities most exposed to high-frequency market makers, consistent with the binding nature of increased capital constraints.
Original languageEnglish
Article number100689
JournalJournal of Financial Markets
DOIs
Publication statusE-pub ahead of print - 30 Oct 2021

Keywords

  • COVID-19
  • Margin requirements
  • Stock market liquidity, liquidity spiral

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