MACD Indicator is a Momentum that mainly consists of 2 lines. The MACD Line and the Signal Line. The faster line is the MACD Line and the smoother line is the Signal line.
MACD Line
Signal Line
When the MACD Line crosses above the Signal Line, it is an indication of bullish momentum.
When the MACD Line crosses below the Signal Line, it is an indication of bearish momentum.
MACD = EMA 9 - EMA 26 (EMAs of Price) Signal Line = EMA 9 of the MACD Line