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Journal of Finance Vol. 76 No. 5 2021

Tracking Retail Investor Activity

Ekkehart Boehmer; Charles M. Jones; Xiaoyan Zhang1; Xinran Zhang1

1 Tsinghua University

Abstract

We provide an easy method to identify marketable retail purchases and sales using recent, publicly available U.S. equity transactions data. Individual stocks with net buying by retail investors outperform stocks with negative imbalances by approximately 10 bps over the following week. Less than half of the predictive power of marketable retail order imbalance is attributable to order flow persistence, while the rest cannot be explained by contrarian trading (proxy for liquidity provision) or public news sentiment. There is suggestive, but only suggestive, evidence that retail marketable orders might contain firm‐level information that is not yet incorporated into prices.

DOI
10.1111/jofi.13033
Volume
76
Issue
5
Pages
2249-2305
Language
en
Sources
bibtex:phds-export.bib crossref openalex

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