Yes, J TRUST GLOBAL SECURITIES is a legitimate firm regulated by the FSA. It holds a valid retail forex license under license number 関東財務局長(金商)第35号, which adds a layer of regulatory credibility and ensures that it meets all the necessary legal requirements for financial services in Japan. The company’s long operational history, having been established in 2007, further underscores its stability and legitimacy in the financial industry. However, while the firm is legitimate, the complexity of its fee structure and the limited trading hours may be potential drawbacks for some users. The regulation by FSA ensures that J TRUST GLOBAL SECURITIES follows proper financial practices, but like any investment platform, it is essential to understand the terms of service fully. In conclusion, while J TRUST GLOBAL SECURITIES is legitimate and regulated, it's important to be aware of its operational aspects and ensure that it meets your trading needs.