Investment securities in the capital market is influenced by many factors, such as: information, risk, politics, security issues, rumors, policies, global markets, news, as well as consideration of market confidence in doing the intention to invest. Objective studies to determine the model of Islamic sharia investor behavior intention to invest a sophisticated and rational significance with utility maximization in the investment decisionmaking process in Sharia-compliant stocks in the Indonesia Stock Exchange. This selection is determined to find out the benefits of financial information, advanced and rational attitude, as well as the risk preferences of investors utility maximization in the investment decision making process, especially in stocks included in the Jakarta Islamic Index. The instrument was developed to capture the intent to invest investors perceptions of Islam in making decisions related to the time of investment, investment interest, investment knowledge, and attitudes in maximizing the utility based on behavior hablumminanas and hablumminallah. Data collection method was survey. The type of data in a form of expression, experience, or the characteristics of the study subjects individually. The dimension of time is one shot study. The respondents were investors Muslim/ Islam in Indonesian Capital Market by the number of 120 respondents. Data analysis using SPSS which produces a model that is a representation of the theory. The aim of this study was to determine the model of Islamic sharia investor behavior in their intent to invest in stock investment decisions to maximize sharia in the Jakarta Stock Exchange. The results showed that Islamic investors of all ages scattered adults and there is still the largest in the productive age range 41-45 years, as for the dominant factor in the decision making on the ratings outlook for shares in fundamental knowledge than the technical aspects. Attitude and confidence in the intention to invest, the revision of the decisionmakingof investors through stock rati ngs prospects based on the merits of fi nancial informati on, price information, and hamblumminannas, hablumminallah factors have a significant influence.

MODEL BEHAVIOR OF SHARIA INVESTMENT DECISION ON MUSLIM INVESTOR IN INDONESIA STOCK EXCHANGE (IDX)