Investors chasing hot stocks, or uncertain earnings, create
high idiosyncratic volatility that reverses to correct for over-pricing, or when uncertainty gets resolved.
Not exact matches
In contrast, larger - capitalization stocks with substantial tangible assets,
high liquidity and low
idiosyncratic volatility are less susceptible to sentiment - related mispricing.
They seem to agree with Greenblatt when they find that the
higher alpha of the equal - weighted portfolio arises from the monthly rebalancing required to maintain equal weights, which is a «contrarian strategy that exploits reversal and
idiosyncratic volatility of the stock returns; thus, alpha depends only on the monthly rebalancing and not on the choice of initial weights.»