When you have found or bought a currency exchange system that appears ideal, you will of course still test it in demo mode before going live. You’ll need to make sure that it is profitable for you. It can be useful to understand what’s the predicted profit per trade.
You will also would like to see how many trading opportunities it produces for you. Do not just go for the system with the most opportunities, however. It actually depends on the average profit per trade. There will be lots of hazards to be taken later on. Even with a good system, the market has its ups and downs and can be particularly unpredictable. For this reason, foreign exchange trading courses need to cover risk management as well as the foreign exchange system itself.