MACD

 MACD is Moving Averages Conversions Diversions. 

MACD Line - Blue line (Fast line)

Signal Line - Orange line (Slow line)

Histogram - Bars (indicates the difference between MACD line and Signal line)

Blue line cuts from below to take a buy call, if it is cutting from above it is a sell call.

MACD is calculated as 26 DEMA substracted from 12 DEMA.

12 DEMA (-) 26 DEMA

Sequence of checking a buy signal

1) MACD (MACD >0 , Strength. MACD < 0 weakenes)

2) Candle Patterns

3) RSI

4) EMA