The 20 Day EMA crosses 50 Day SMA MQL4 source code for forex trading provides traders with an indicator that gives a signal when a faster moving average (20EMA) crossovers with a slower moving average (50SMA). This signal can be used to signal entry and exit points in the forex market or as confirmation of a trend. The source code is written in the MQL4 language – an industry standard for algorithmic trading. The MQL4 source code is easy to configure and can be incorporated into a forex trading system with just a few lines of code. With the 20 Day EMA crosses 50 Day SMA MQL4 source code, traders can easily identify market trends and position themselves at the optimum levels for successful trading.