Finding the best ECN forex broker is relatively challenging because, unlike futures and stock exchanges, the forex market is largely. ECN Brokers - A list of ECN /STP Forex Brokers providing Direct Access to market participants. Compare ECN Broker features. Find the Best Forex Broker with. RoboForex, as a participant of Integral and Currenex, offer its clients low spreads, fast execution in the Market Execution mode, absence of Limit Stop &.