What is a Forex Expert Advisor?
A (or Forex EA, MT-4 EA, Forex Robot) is an automated forex trading software written in the MQL-4 programming language and designed to automate trading activities on the MetaTrader 4 trading platform. Expert Advisors can be programmed to alert you of a trading opportunity and can also trade your account automatically managing all aspects of trading operations from sending orders directly to your broker’s server to automatically adjusting stop loss, trailing stops and take profit levels.
A Forex Exper Advisor trades your account while the market is open using highly sophisticated algorithms designed by professional forex money managers and traders. A Forex robot can trade an unlimited number of currencies all at the same time. A Forex EA runs on any computer with MT-4 trading platform installed.
See also: How To Install Forex Expert Advisor on MetaTrader 4 (MT4)