Opening price manipulation and its value influences

Jie Liu, Chonglin Wu, Lin Yuan and Jia Liu

International Review of Financial Analysis, 2022, vol. 83, issue C

Abstract: We investigate how opening price manipulation influences market behaviors and investors' returns. Analyzing direct evidence comprising 87 opening price manipulation cases, and indirect evidence consisting of 19,003 suspected cases detected by an opening price manipulation identification model that we construct, we examine the impact of manipulation on mispricing, investors' welfare, trading activity and price volatility. Our results indicate that manipulated stocks experience significantly lower returns and a higher probability of price reversal after manipulation. Investors who purchase manipulated stocks at their opening price, or the volume-weighted average price, on the manipulation day make losses on their investments. Further, manipulation increases market trading activity and price volatility due to the influx of retail investors. Our additional analysis demonstrates that enhancing the intensity of external supervision and internal governance can mitigate mispricing caused by opening price manipulation. Our study provides novel evidence of the economic consequences of open market manipulation and policy implications for governments and regulators to develop effective supervisory processes to reduce manipulation and mitigate its impact on efficient markets.

Keywords: Opening price manipulation; Mispricing; Investors' welfare; Corporatre governance; Market supervision (search for similar items in EconPapers)
JEL-codes: G12 G14 G20 (search for similar items in EconPapers)
Date: 2022
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Citations: View citations in EconPapers (3)

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Persistent link: https://EconPapers.repec.org/RePEc:eee:finana:v:83:y:2022:i:c:s1057521922002149

DOI: 10.1016/j.irfa.2022.102256

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