What Is MACD?
MACD (Moving Average Convergence Divergence) is a momentum and trend-following indicator that calculates the difference between a fast EMA (12-period) and a slow EMA (26-period). A signal line (9-period EMA of the MACD) is plotted on top, and a histogram visualizes the difference between the two.
How MACD Works
- MACD Line = 12 EMA - 26 EMA
- Signal Line = 9 EMA of the MACD Line
- Histogram = MACD Line - Signal Line
Bullish signals occur when the MACD crosses above the signal line. Bearish signals occur when it crosses below. The histogram growing indicates strengthening momentum; shrinking suggests momentum is fading. Divergences between MACD and price are powerful reversal indicators.
Why It Matters for Traders
MACD is one of the most widely used indicators in crypto trading due to its dual ability to identify both trend direction and momentum shifts. MACD divergences — when price makes new highs/lows but MACD doesn't — are among the most reliable reversal signals, particularly on the 4H and daily timeframes.
