Moving Average Convergence Divergence (MACD)
Quick Definition
A trend-following momentum indicator showing the relationship between two moving averages of a security's price.
What Is Moving Average Convergence Divergence (MACD)?
MACD (Moving Average Convergence Divergence) is a trend-following momentum indicator that shows the relationship between two exponential moving averages (EMAs) of a security's price.
MACD Components:
- MACD Line: 12-period EMA - 26-period EMA
- Signal Line: 9-period EMA of the MACD Line
- Histogram: MACD Line - Signal Line (shows momentum)
Trading Signals:
1. Crossovers:
- Bullish: MACD crosses above Signal Line → Buy signal
- Bearish: MACD crosses below Signal Line → Sell signal
2. Zero Line Crossovers:
- MACD above zero → Bullish momentum
- MACD below zero → Bearish momentum
3. Divergences:
- Bullish Divergence: Price makes lower low, MACD makes higher low
- Bearish Divergence: Price makes higher high, MACD makes lower high
Strengths:
- Combines trend and momentum analysis
- Visually easy to interpret
- Works well in trending markets
Limitations:
- Lagging indicator (based on historical data)
- Can give false signals in ranging markets
- Whipsaws during sideways price action
Formula
Formula
MACD = 12-period EMA - 26-period EMAMoving Average Convergence Divergence (MACD) Example
- 1MACD crossing above signal line suggests bullish momentum
- 2MACD histogram shrinking indicates weakening trend
Related Terms
Moving Average
A calculation that averages a security's price over a specific number of periods, smoothing price data to identify trends.
Relative Strength Index (RSI)
A momentum indicator measuring the speed and magnitude of price changes on a 0-100 scale, used to identify overbought or oversold conditions.
Trend Line
A diagonal line drawn across price highs or lows to identify the prevailing trend direction and potential support/resistance.
Bollinger Bands
A volatility indicator consisting of a middle moving average and two bands that expand and contract based on price volatility.
Support and Resistance
Key price levels where buying pressure (support) prevents further decline or selling pressure (resistance) prevents further advance.
Candlestick Chart
A chart type showing open, high, low, and close prices for each period, with color-coded bodies indicating direction.
Expand Your Financial Vocabulary
Explore 130+ financial terms with definitions, examples, and formulas
Browse Technical Analysis Terms