I just reviewed something that many traders overlook: the MACD is probably one of the most versatile indicators out there, but most people use it incorrectly.

For those unfamiliar, MACD stands for Moving Average Convergence Divergence. Gerald Appel created it in the 1970s, and since then it has become a cornerstone of technical analysis. The reason is simple: it combines features of momentum and trend indicators into a single tool.

The indicator has three main parts. First is the MACD line, which is the difference between two exponential moving averages: the 12-day EMA (the fast one) and the 26-day EMA (the slow one). This shows you changes in price momentum. Next is the signal line, which is simply the 9-day EMA of the MACD line. This line filters market noise and provides clearer signals. And finally, the histogram visualizes the difference between the two lines with green bars (bullish momentum) or red bars (bearish momentum).

What’s interesting is that the MACD generates trading signals when crossovers occur. When the MACD line crosses above the signal line, especially if this happens above the zero level, it’s a strong bullish signal. Conversely, when it drops below, you get a bearish signal. But here’s the key: it’s not as simple as it seems.

I’ve seen many traders operate solely on crossovers and end up losing money. The MACD also shows divergences, which is when the price rises but the indicator falls, or vice versa. That usually indicates something is changing in the market. If the price is falling but the MACD starts rising, selling pressure is decreasing, so a rebound could be coming.

The position of the MACD relative to the zero line also matters a lot. If it’s above, there’s bullish strength. If below, there’s bearish pressure. It’s simple but effective.

Now, the real problem is that the MACD is a lagging indicator. It’s based on past prices and can generate false signals, especially in volatile markets. That’s why you should never trade it alone. I always combine it with RSI to detect overbought or oversold conditions, check support and resistance levels, and observe candlestick patterns for confirmation. The stochastic oscillator is also useful if you want to spot momentum changes.

In practice, when you see the MACD cross upward but the price is near the zero line and there’s no clear trend, I wait for additional confirmation from volume or price action before entering. I’ve learned that patience here pays more than quick reflexes.

The truth is, the MACD remains relevant after decades because it objectively measures momentum. But the key is to use it sensibly: combine it with other indicators and never base your decisions solely on it. That’s what separates winning traders from losing ones.