Trade Responsibly. Trade Responsibly.CFDs are complex instruments and come with a high risk of losing money rapidly due to leverage. 79.28% of retail investor accounts lose money when trading CFDs with this provider. You should consider whether you understand how CFDs work and whether you can afford to take the high risk of losing your money.
FxPro Help Centre - Glossary


Back-testing is the process of testing an algorithmic trading strategy (Expert Advisor, trading bot) over historical price data in order to determine how accurately the strategy would have forecasted the end results. This necessarily involves tweaking the parameters of the initial strategy and re-testing it in order to optimise its performance.