Interactive Brokers LLC (IB) is an American multinational brokerage firm. It operates the largest electronic trading platform in the U.S. by number of daily average revenue trades. The company brokers stocks, options, futures, EFPs, futures options, forex, bonds, and funds.

The company is headquartered in Greenwich, Connecticut and has offices in four cities. Interactive Brokers is the largest electronic brokerage firm in the US by number of daily average revenue trades, and is the leading forex broker. Interactive Brokers also targets commodity trading advisors, making it the fifth-largest prime broker servicing them. IB is regulated by the Securities and Exchange Commission, the Financial Industry Regulatory Authority, the New York Stock Exchange, the Financial Conduct Authority and other regulators and self-regulatory organizations.

The company is a provider of fully disclosed, omnibus, and non-disclosed broker accounts and provides correspondent clearing services to 200 introducing brokers worldwide.

As of December 2021, the company serves 1.68 million client brokerage accounts, with $373.8 billion in customer equity. Since September 2021, IB's clients were able to trade and custody Bitcoin, Ethereum, Litecoin and Bitcoin Cash alongside the already tradable stocks, options, futures, bonds, mutual funds and exchange-traded funds.

According to Wikipedia