Stock and options markets can disagree about a stock's value because of informed trading in options and/or price pressure in the stock. The predictability of stock returns based on this cross- market discrepancy in values is especially strong when accompanied by stock price pressure, and it does...

This paper introduces the concept of divergence of sentiment to the behavioral finance literature. We measure the distance between people with positive and negative sentiment on a daily basis for 20 countries by using data from status updates on Facebook. The prediction is that a higher...

We show that short sellers are constrained by their losses. Using unique data on the mark-to-market profits of short sellers of U.S. stocks, we document an asymmetric response of short selling to gains versus losses. Short selling substantially falls following large losses but does not respond...