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Implied volatility and future portfolio returns
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DOI：10.1016/j.jbankfin.2006.12.007.png)
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摘要
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Prior studies find that the OBOE volatility index (VIX) predicts returns on stock market indices, suggesting implied volatilities measured by VIX are a risk factor affecting security returns or an indicator of market inefficiency. We extend prior work in three important ways. First, we investigate the relationship between future returns and current implied volatility levels and innovations. Second, we examine portfolios sorted on book-to-market equity, size, and beta. Third, we control for the four Fama and French [Fama, E., French, K., 1993. Common risk factors in the returns on stocks and bonds. Journal of Financial Economics 33, 3-56.] and Carhart [Carhart, M., 1997. On persistence in mutual fund performance. Journal of Finance, 52, 57-82.] factors. We find that VIX-related variables have strong predictive ability. (C) 2007 Elsevier B.V. All rights reserved.
Keyword:
risk premium
implied volatility
VIX index
portfolio returns
期刊
J
IF:
3.8
论文数:
6.4K
被引数:
2.4W
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