This study analyses the information asymmetry at the stock market considering two different types of information flow. The first type represents changes in information where informed traders know if the stock price will increase or decrease. The second type is less specific - the direction is...

This study analyzes two types of information flows in financial markets. The first type represents return information, where informed investors know whether the stock price will increase or decrease. The second type is labeled volatility information, where the direction of the stock price is...