The monthly volatility of IPO initial returns is substantial, fluctuates dramatically over time, and is considerably … larger during "hot" IPO markets. Consistent with IPO theory, the volatility of initial returns is higher among firms whose …

ownership and trades by large institutions lead to higher volatility and to increased return and liquidity comovement. Moreover …

the relation between exchange rate variability and stock return volatility and by decomposing this relation into … rates, we find a significant increase in the volatility of U.S. multinational monthly stock returns corresponding to the … period of increased exchange rate variability. This increase in stock return volatility is also significant relative to the …

Stocks with recent past high idiosyncratic volatility have low future average returns around the world. Across 23 … developed markets, the difference in average returns between the extreme quintile portfolios sorted on idiosyncratic volatility … higher moments. There is strong comovement in the low returns to high idiosyncratic volatility stocks across countries …

, economy-level volatility can fall while firm-level volatility rises because firm-specific volatility cancels out in the …

U.S. stock volatility is 33 percent lower during wartime and periods of conflict. This is true even for World Wars I … of the most surprising facts from two centuries of stock volatility data. We propose an explanation for the puzzle: the … reduces stock volatility. The sector level regressions show that defense spending predicts lower stock volatility for firms …