Insider trading in the Hong Kong stock market

Michael C.S. Wong*, Stephen Y L Cheung, Lifan Wu

*Corresponding author for this work

Research output: Contribution to journalJournal articlepeer-review

12 Citations (Scopus)


Many previous studies on insider trading are based on data in the U.S. capital market and conclude that insiders can earn abnormal profits. This paper examines abnormal price performance associated with insider trading in the Hong Kong stock market. We find that abnormal profits associated with insider trading are all concentrated on small firms. Trading volume does matter in determining the magnitude of those abnormal profits. Our results show that insiders of medium-sized and large firms do not earn abnormal profits. Finally, it is found that outsiders who mimic the information of insider trades associated with medium-sized and large firms cannot earn abnormal profits.

Original languageEnglish
Pages (from-to)275-288
Number of pages14
JournalAsia-Pacific Financial Markets
Issue number3
Publication statusPublished - 2000

Scopus Subject Areas

  • Finance

User-Defined Keywords

  • Hong Kong stock market
  • Insider trading
  • Market efficiency


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