Pagano, Michael S.; Peng, Lin; Schwartz, Robert A. - Center for Financial Studies - 2008
We assess the quality of opening and closing prices for Nasdaq stocks by examining the effect that opening and closing … Nasdaq's calls have reduced this volatility, reorganized order flow, and lowered volatility persistence. Opening and closing … prices had previously contained appreciable transitory components which have been dampened by Nasdaq's market structure …