Transparency, idiosyncratic risk, and convertible bonds

Yi Mien Lin*, Chin Fang Chao, Chih Liang Liu

*Corresponding author for this work

Research output: Contribution to journalJournal Article peer-review

11 Scopus citations


We first investigate the relationship among a company's information transparency, idiosyncratic risk, and return of its convertible bonds. The effects of a company's idiosyncratic risk on its equity's value volatility and its credit risk are also examined. The findings indicate that when a company discloses a significant amount of information, it is likely to have a higher idiosyncratic risk and a lower credit risk, with no impact on returns on convertible bonds. The volatility of stock returns is positively related to returns on convertible bonds, and it is found that diversified strategies and returns on a company's equity help to improve its credit rating and that a better credit rating triggers an increase in returns on convertible bonds and idiosyncratic risk, indicating that evaluations of the value of convertible bonds must take pure bonds and equity (option) values into account. After excluding conversion values and estimating the idiosyncratic risk on daily, weekly, and monthly bases, this study suggests that there is a positive relation between returns on convertible bonds and information transparency when estimating idiosyncratic risk on a monthly basis and that a positive association also exists between credit rating, idiosyncratic risk, and returns on bonds.

Original languageEnglish
Pages (from-to)80-103
Number of pages24
JournalEuropean Journal of Finance
Issue number1
StatePublished - 2014


  • convertible bonds
  • credit risk
  • idiosyncratic risk
  • information transparency


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