Futures Broker | NinjaTrader with Continuum | Online Trading Futures Broker | NinjaTrader, NinjaTrader Brokerage is an online futures broker providing access to the NinjaTrader with Continuum futures trading platform. As a registered futures broker, NinjaTrader Brokerage delivers online emini futures and commodity trading brokerage services, managed futures trading and futures trading education for online futures and commodities day traders.