Interactive Brokers is a U.S.based brokerage firm founded in 1993. It is the largest electronic trading platform to trade equities, options and futures. Traders Workstation (TWS) supports over 60 orders types, from the most basic limit order to advanced trading to the most complex algorithmic trading strategies. Best online Broker 2019 and Top Online Broker 1 for Nine consequitive years by Barron's. Get started by using free demo account.