We analyze the effects of spot market short-sale constraints on derivatives trading using a unique Chinese stock market futures trading database. Due to short-sale constraints, investors' pessimistic views on the underlying index can be expressed solely through short futures positions, while...

Based on the notion that private information necessarily accompanies trade and leads to return variation, this paper explores the positive relationship between informed trade and firm-specific return variation. Using the PIN as a measure of informed trade, we find that the PIN is positively...

We construct a measure of abnormal relative attention (ARA), reflecting unusual changes in attention paid to a stock by local relative to non-local investors, to measure local information advantages. An increase in this measure predicts higher returns in the short term. This predictive power is...