The MACD 2 Indicator is a popular free Forex indicator used in MT5. It is a useful tool for traders who want to make informed decisions and maximize their profits. The indicator is composed of three components: the MACD line, which is the difference between two exponential moving averages; the signal line, which is a nine-period exponential moving average of the MACD line; and the histogram, which is the difference between the MACD line and the signal line. The MACD 2 Indicator is a powerful and useful tool for traders looking to get an edge in the Forex market.