IBKR vs STT Comparison

Interactive Brokers is a large, automated, retail and institutional brokerage that boasted nearly $570 billion in customer equity at the end of 2024. The company cut its teeth as a market maker, introducing US financial markets to automated and algorithmic training before expanding into brokerage services in 1993. The firm has a wide-ranging client base, with its best-in-class order execution and extremely low margin lending rates catering to a sophisticated audience of hedge funds, proprietary traders, and introducing brokers that account for about 45% of the firm's commissions. With operations spanning more than 160 electronic exchanges, 36 countries, and 28 currencies, Interactive Brokers caters to a global clientele, with more than 80% of active accounts sitting outside the US market.

State Street is a leading provider of financial services, including investment servicing, investment management, and investment research and trading. With approximately $47 trillion in assets under custody and administration and $4.7 trillion assets under management as of Dec. 31, 2024, State Street operates globally in more than 100 geographic markets and employs about 53,000 worldwide.