This study explores the time series variability of the Stambaugh et al. (2012) aggregate mispricing score as well as its eleven individual components. We find that the predictive power of the mispricing score for future stock returns improves significantly when the mispricing score has been more...

Prior literature shows that the implied volatility spread between call and put options is a bullish signal for future returns on the underlying stocks. A common interpretation is that a high call-put implied volatility spread indicates favorable private information revealed by informed option...

Equity option markets exhibit intense trading activity. We use the variability of option implied volatility spread as a proxy for the impounding of new information, and changes in the interpretation of existing information, into option prices. Over the 2006 – 2016 period, we find that the...