We study the intraday behavior of bid-ask spreads for actively traded CBOE options and for their NYSE-traded underlying stocks. We confirm previous findings that stocks have a U-shaped spread pattern; however, the options display a very different intraday pattern--one that declines sharply after...

This paper analyzes the intraday interdependence of price movements and order flows for actively traded NYSE stocks and their CBOE-traded options. Stock net-buy volume (buyer-initiated volume minus seller-initiated volume)has strong predictive ability for subsequent stock and option returns, but...

This paper uses the perfect market segmentation setting in China's stock market to compare the information content of the stock trades of domestic and foreign investors. We study 76 firms that issue both A-shares (for domestic investors) and B-shares (for foreign investors) and compare the price...

This study finds strong evidence that home bias affects firm valuation at both country and firm levels. Results show that, at the country level, domestic investors increasing weights in countries that they have over-weighted produces a negative impact on market valuation, while foreign investors...

Hou (2007) finds that within an industry, stock returns of larger firms lead those of smaller firms, suggesting an intra-industry information diffusion process. Most industry leaders, however, have business segments in other industries (henceforth, minor-segment industries), whereas most small...