Opinion divergence among professional investment managers

Gang Hu, J. Ginger Meng, Mark E. Potter

Research output: Journal article publicationJournal articleAcademic researchpeer-review

9 Citations (Scopus)


We find that opinion divergence among professional investment managers is commonplace, using a large sample of transaction-level institutional trading data. When managers trade together, future returns are similar regardless if they are all buying or selling, inconsistent with the notion that professional investment managers possess stock picking ability or private information that is of investment value. However, when managers trade against each other, subsequent returns are low, especially for stocks that are difficult to short. This U-shaped disagreement-return relationship is consistent with Miller's (1977) hypothesis that, in the presence of short-sale constraints, opinion divergence can cause an upward bias in prices.
Original languageEnglish
Pages (from-to)679-703
Number of pages25
JournalJournal of Business Finance and Accounting
Issue number5-6
Publication statusPublished - 1 Jun 2008
Externally publishedYes


  • Institutional trading
  • Opinion divergence
  • Private information
  • Return predictability
  • Short-sale constraints
  • Stock picking ability

ASJC Scopus subject areas

  • Accounting
  • Business, Management and Accounting (miscellaneous)
  • Finance


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