EFX Forex Trading System - Forex Platform, Live Currency Rates, Currency Conversion Tool, Daily Outlooks and More. The EFX Trading System is an all-in-one program for serious foreign exchange traders. $25 Min. trade deposits, very competitive spread. Our system has a guaranteed stop/loss rate, freeze & trade functionality, live continual currency quote updates every second - and you can place deposits with a credit card. Download it right now.