We attempt a connection between three entities: Extreme Stock Market Returns, the Web Attention factor and a set of News Flow factors, for three groups of countries during the European Financial Crisis: the Euro-periphery countries, the Euro-core countries, and the major European Union - but not...

Since the adoption of the SEC's Rule 10b-21 in 1988, many researchers have been concerned over the effectiveness of short sales constraints in preventing manipulative trading in the derivatives market. We analyze whether options can be used as synthetic short sale instruments to manipulate stock...

Despite momentum's strong historical performance, its returns have large negative skewness and occasionally experiences persistent strings of sharp negative returns, referred as "momentum crashes" in the recent literature. I argue that momentum crashes are due to crowded trades which push prices...

Momentum is one of the largest and most pervasive market anomalies. However, despite a high mean and Sharpe ratio, momentum suffers from large negative skewness that comes from momentum crash periods. These crashes occur in times of both market stress and market rebound and thus variables that...

This paper studies the profitability of a selection of prominent momentum-based strategies in the European Monetary Union. In contrast to past examples documenting the lack of profitability of unconditional price momentum in the most recent decade, the current research finds that unconditional...