The formation of the portfolio, regardless of the type of investor, always has the same goal-reducing the risk by diversifying investments. However, in making investment decisions must be taken into account the fact that: the risks can have alternative causes, or require the cooperation of several causes, and that the risk objective category imanantna Ijudskoj each activity. The assumption of rational investor behavior means that he will always choose the alternative that provides the highest yield for a given level of risk, or one that carries the least risk to the desired level of return. Therefore, the paper will analyze impacts forecasting and asymmetric information on the selection of portfolio management strategies of individual investors. Will be showing the advantages and disadvantages of two commonly used group of strategies that are the result of investors’ beliefs that the capital market efficiently.