The authors explore the risk-return properties of simple momentum strategies in six major government-bond markets and find that trend-following investment rules generate positive information ratios in the 1987-2011 sample period. They simulate the combination of momentum portfolios with...

This paper analyzes how newly introduced transparency requirements for short positions affect investors' behavior and security prices. Employing a unique data set, which contains both public positions above and confidential positions below the regulatory disclosure threshold, we offer several...

This paper investigates the profitability of technical trading rules in the Athens Stock Exchange (ASE), utilizing the FTSE/ASE-20 index over the period 1995-2008. We focus on a less developed and efficient stock market, given the existing paucity of research in such markets. The technical rules...

Feedback trading strategies have gained much popularity among researchers in the last decadesand are used to illustrate how new information based on returns is reflected in the markets. This paper extends previous studies by decomposing the overall return premium and introducing the global...

This paper investigates the impact of Twitter attention, measured by abnormal number of tweets on stock trading activities. We find that Twitter attention has predictive power for future stock volatility and trading volume. A heightened number of tweets is followed by high volatility and trading...

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 examines the problem of information asymmetry between foreign, local, institutional and individual investors on the Bucharest Stock Exchange (BVB) for the period 2004-2011. Using monthly returns for individual companies listed on BVB, stock market indices during the seven years...

We examine investors' reactions to sharp price changes in seven equity markets of Gulf Cooperation Council (GCC) countries to uncover patters of price formation. We compare the price behavior and volatility of these markets within a 15-day window following the arrival of new information. We find...

Stock market movements are the results of changes in investor sentiment (INSEN) which can even be induced by non-economic events. We consider international cricket events to empirically investigate the notions. Implementing portfolio approach, we conduct the event study along with OLS regression...