SUMMARY
Share prices on the stock exchange (secondary market) are influenced by supply and demand. Investors in any decision-making are always dependent on the information they receive. Investors need complete, relevant, accurate, and timely information to make investment decisions, whether they will buy, sell or hold existing shares. It is necessary to have a software that can provide an accurate information, which can help investors to determine the value of current shares. The purpose of this research is to design Investment Decision Support Software, that is connected online to the Indonesia Stock Exchange (www.idx.com), so it can be useful to users of financial statements The research method is the product development process and expert judgment (validation and revision). This software can also be beneficial for the learning process of accounting, especially Investment Management Study, which addresses the issue of stock assessment for investment decisions, because the discussion of the stock assessment in the classroom is limited to the understanding of the theoretical approach, and do not connected directly on the condition of the companies listed on the Stock Exchange.