Asset pricing anomalies on Polish Stock Market according to employee stock options

The article presents asset pricing anomalies on Polish Stock Market due to implementation and exercise of the employee stock options (ESO). Such mispricing of the stock is a result of the investors’ expectations according to the market and non-market conditions of ESOs as they may influence company’s future performance. Implementation and exercise of the ESOs makes it possible to examine polish market effectiveness and analyse investors’ behaviour. The research conducted for this paper reveals the influence of the company itself as well as the decisions made by investors. The aim of the article is to verify if a different set of market and non-market conditions results in various changes of the stock price.