Currency trading, often referred to as foreign exchange or Forex, is the purchasing and selling of currencies in the foreign exchange marketplace, done with the objective of making profits. It is referred to as 'speculative Forex trading.' Forex trading is the largest market in the world, with nearly $2 trillion traded on a daily basis, with quick growth projections. The main factor that differentiates currency trading from other types of trading is its liquidity.
Back tests – You can read my forex robot reviews to see if the forex robot has back tests which will give you a good idea how it performed historically, some forex robots even back test as for as 15+ years! Ideally, you would want back tests to have been done using real tick data and spreads, thus making the forex robot back test results as accurate as possible in the mt4 strategy tester