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Journal of Financial and Quantitative Analysis Vol. 56 No. 7 2021

Flattening the Illiquidity Curve: Retail Trading During the COVID-19 Lockdown

Gideon Ozik1; Ronnie Sadka2; Siyi Shen3

1 Ecole des Hautes Etudes Commerciales du Nord · 2 Boston College · 3 Chinese University of Hong Kong, Shenzhen

Abstract

This article studies the impact of retail investors on stock liquidity during the COVID-19 pandemic lockdown in spring 2020. Retail trading exhibits a sharp increase, especially among stocks with high COVID-19–related media coverage. Retail trading attenuated the rise in illiquidity by roughly 40% but less so for high-media-attention stocks. Causality is addressed using the staggered implementation of the stay-at-home advisory across U.S. states. The results highlight that ample free time and access to financial markets facilitated by fintech innovations to trading platforms are significant determinants of retail-investor stock market participation.

DOI
10.1017/s0022109021000387
Volume
56
Issue
7
Pages
2356-2388
Language
en
Sources
bibtex:phds-export.bib crossref openalex

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