Public Accuracy in the Prediction of Change Value as Trading Decision Making

The aims of this paper is to reveal the perceptions of individuals in making decisions for investments that are not only based on existing theories or models. This research uses qualitative method by looking at phenomenology aspect in the field. For the object of research is the behavior of each individual (traders) that impact on trading market behavior. Self-understanding is poured in instinct can be used as investment decision making especially stock trading. This research also provides information that quantitative method of calculation can be combined with qualitative as decision making. Individuals can use some models, but decisions depend on self-desires that can not be poured on the results of calculations. As well as on trading that should get the Bid Price = Offer Price that is not able to predict theories.