Courses / Trend and Momentum Indicators

MACD: Moving Average Convergence Divergence

A momentum indicator built from two EMAs, a signal line and a histogram.

MACD subtracts a 26-period EMA from a 12-period EMA to get the MACD line. A 9-period EMA of that line is the signal line. The histogram shows the gap between them.

A MACD line crossing above the signal line is a bullish momentum signal, below is bearish. The zero line separates bullish from bearish momentum. Divergence between price and MACD can warn of a weakening trend.

Like all moving average tools it lags. Use it with trend direction and levels, not alone.

Key takeaways

  • MACD line = 12 EMA minus 26 EMA, signal = 9 EMA of MACD
  • Crossovers and zero line show momentum
  • Divergence warns of weakening trends

Quiz

  • The MACD line is the difference between: Answer: 12 EMA and 26 EMA. It is 12 EMA minus 26 EMA.
  • The histogram shows: Answer: MACD minus signal. The gap between the MACD and signal lines.
  • MACD is a: Answer: Lagging momentum tool. It is based on moving averages.

Educational content, not financial advice.