ABSTRACT Legal liability to investors in the stock brokerage stock market is a relationship that is based on contractual relationships. There are responsibilities that must be carried by such broker to sell or buy action based on orders from investors. It is primarily a stockbroker more passive than active in its responsibilities to investors. However, there are actions that can be activated if there is a stock broker it really needed investors. The forms of action were not acting in good faith from a stock broker to the investor is informed not act properly on certain information effects, not informed and deliberate disregard of the use of investor funds were made without the knowledge of investors stockbroker. Given legal protection Law Number 8 of 1995 on Capital Markets and Regulation Number 01 / POJK / 2013 concerning Consumer Protection Financial Services Sector is a legal protection in the form of preventive and repressive.