Separating the MACD line, signal line and histogram

The BabyPips lesson explains MACD through the difference between two exponential moving averages. With conventional settings, the MACD line subtracts a longer-period EMA from a shorter-period EMA. A separate signal line smooths that difference, and the histogram shows the gap between those two lines.

This distinction prevents a common misunderstanding: the displayed MACD and signal lines are not simply two moving averages of price. The selected parameters and chart period determine the information being summarized. Different platforms can use different defaults.

Crossovers, changes around zero and divergence are interpretations of those calculations. They can be delayed or produce false signals, particularly when prices fluctuate without a durable direction. Record the exact settings before comparing examples. MACD can organize a momentum discussion, but a historical illustration does not prove that its next signal will produce a profitable trade.