LOWRY, MICHELLE; OFFICER, MICAH S.; SCHWERT, G. WILLIAM - In: Journal of Finance 65 (2010) 2, pp. 425-465
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 for firms that are more difficult to value because of higher information...