For example we have 2 really popular free systems (3 Pigs and PAST).  Many people are successful using them adapted to their own style of trading.  It is highly likely not one of them would ever have the exact same entries as we (the authors) do but they can and will be as successful by using and applying the principles in a manner suitable to them.  E.g. one of the strategies is a 4 Hour MTF strategy where the original system states a Trailing Stop based on an MA with an open Target.  One trader is now using this very successfully (and reports the trades on Babypips) us...
Fundamental Forex strategies are strategies based on purely fundamental factors that stand behind the bought and sold currencies. Various fundamental indicators, such as interest rates and macroeconomic statistics, affect the behavior of the Forex market. These strategies are quite popular and will benefit long-term traders that prefer fundamental data analysis over technical factors:
The ‘Elliot Wave Theory’, named after Ralph Elliot, is one of the oldest forex strategies. He analyzed the stock price data for around 70 years and found out that human psychology (emotions, fear and greed) drove the market and that it moved iteratively. This is to say that the market switches between optimistic and pessimistic modes. In this strategy, the motive phase unfurls in 5 steps.
Backtesting is a kind of a strategy test performed on the past data. It can be either automated or manual. For automated backtesting, a special software should be coded. Automated testing is more precise but requires a fully mechanical trading system to test. Manual testing is slow and can be rather inaccurate, but requires no extra programming and can be done without any special preparation process. Any backtesting results should be taken with a grain of salt as the tested strategy might have been created to fit particular backetsting historical data.
Trend-following systems require a particular mindset, because of the long duration—during which time profits can disappear as the market swings—these trades can be more psychologically demanding. When markets are volatile, trends will tend to be more disguised and price swings will be greater. Therefore, a trend-following system is the best trading strategy for Forex markets that are quiet and trending.