IBKR vs CHTR Comparison

Interactive Brokers is a large, automated, retail and institutional brokerage that boasted nearly $780 billion in customer equity at the end of 2025. 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.

Charter is the product of the 2016 merger of three cable companies, each with a decades-long history in the business: Legacy Charter, Time Warner Cable, and Bright House Networks. The firm now holds networks capable of providing television, internet access, and phone services to roughly 58 million US homes and businesses, around 35% of the country. Across this footprint, Charter serves 30 million residential and 2 million commercial customer accounts under the Spectrum brand, making it the second-largest US cable company behind Comcast. The firm also owns, in whole or in part, sports and news networks, including Spectrum SportsNet (Los Angeles Lakers), SportsNet LA (Los Angeles Dodgers), SportsNet New York (New York Mets), and Spectrum News NY1. Charter plans to acquire cable peer Cox.