J.P. Morgan self-directed investing, a subsidiary of J.P. Morgan, is a US discount broker that allows you to trade commission-free in thousands of financial instruments (Stock, ETFs, Options,...) in a powerful trading platform and build a diversified portfolio.J.P. Morgan self-directed investing, a subsidiary of J.P. Morgan, is a US discount broker that allows you to trade commission-free in thousands of financial instruments (Stock, ETFs, Options,...) in a powerful trading platform and build a diversified portfolio.