Return Synchronicity and Insider Trading Profitability

We investigate the association between stock return synchronicity and insider trading profitability. Morck, Yeung and Yu (2000) suggest that greater stock return synchronicity (or R2) reflects less firm‐specific information in stock prices. Consistent with the view, we find significantly higher insi...

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Bibliographic Details
Published in:International review of finance 2020-12, Vol.20 (4), p.857-895
Main Authors: Liang, Claire Y.C., Tang, Zhenyang, Xu, Xiaowei
Format: Article
Language:English
Subjects:
Insider trading
Profitability
Stock prices
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Summary:We investigate the association between stock return synchronicity and insider trading profitability. Morck, Yeung and Yu (2000) suggest that greater stock return synchronicity (or R2) reflects less firm‐specific information in stock prices. Consistent with the view, we find significantly higher insider profitability in firms with greater return synchronicity. The results mainly reside in opportunistic trades rather than in routine trades, and are more pronounced for trades by key insiders such as officers and directors. Furthermore, our results are weaker for industry bellwether firms, and stronger for firms with more opaque earnings or lower institutional ownership. We also document significantly more insider purchasing activity in firms with greater return synchronicity. Overall, our results support the view that greater return synchronicity means less firm‐specific information in stock prices, and suggest that insiders take advantage of this by trading and profiting more from firms with greater return synchronicity.
ISSN:1369-412X
1468-2443
DOI:10.1111/irfi.12246