Little Martingale EA v1.131 MQ4 Source Code is a sophisticated trading robot designed for the MetaTrader 4 (MT4) platform. It employs the Martingale strategy, which is a risk management technique that aims to recover losses by multiplying the investment after a losing trade. The EA automates this process, making it a valuable asset for both novice and experienced traders who may not have the time to monitor trades constantly.