ABSTRACS Lets know portion as an alternative of investation In the high inflation, the kind of investation like portion can be an alternative of investation in 2011. How to play portion so we not wiped out? Why an investor make an mistake that make them bankrupt? Inflation and loan make economy aspek being hot. Moreover, inflation being a hot topic in many newspapers in the end of 2010 and the beginning of 2011. Since the inflation terminology was used by the people, it's being an enemy for our currency. One of ivestation type that grow approach the inflation level is portion (IHSG growth is 16,39% in 2010). So, we know portion as an alternative of investation in 2011, especially for people who never know about it like an old sphorism “ Not know it then not love it”. The study about financial behavior shows that many people makes big mistake with their money. In this part, and this paper report how to change this behavior. In this part we will test 4 important things according to psicological effect that make the investor make mistake. Maybe the important things for you know that many people broken down of their financial has been formed moreover before they make a financial decission. Emotionally for their economic decission they formed theriselves to fail, they even not realize it. And when they realized that they was fail, they doesn't know what is the caused. In this part, we will study why many people make a bad decission. There is a small debate when people act emotionally when they make a financial decission. Then we can see two strongest emotion when it has correlation with money, it is Fear and Greed. Fear means we have no confidence to the market. The reason why many people doesn't invest their money in portion is because they afraid portion cost and market down. Now, everyone know that portion will not down without reason. But it will down because national/intenational problem..