Barron'sBarron's 2017 Best Online Broker RankingBarron'sIts margin was a bare 1/10th of a point over longtime favorite Interactive Brokers. TD Ameritrade moved up one spot to No. 3. Five brokers, each with unique strengths, earned four stars: OptionsHouse, Charles Schwab, Merrill Edge, TradeStation, and E and more » ForexLiveInteractive Brokers to cut off US forex clients Sept 1ForexLiveInteractive Brokers is leaving the US retail forex market on September 1. Various clients.