How to incorporate MACD into your trading strategy
Date: December 7, 2005 15:00GMT 10EST
Expert: John S. Alesia, President and founder of Brown forex
Topics:
- What is the MACD?
- Moving Average Crossover
- Divergence
- Center Line Crossover
- MACD Histogram
- Combining MACD Signals
Who is John S. Alesia?
John S. Alesia founded Brown Forex after a successful career on Wall Street. Recognizing an opportunity to capitalize on an untapped retail trading market, Mr. Alesia left an executive post with Deutsche Bank to start Brown Forex. Leveraging his years of capital markets experience with hedge funds, investment banks, and institutional money managers enables Mr. Alesia to provide sage guidance and powerful resources to the retail trader.
Speech Material:
What is the MACD?
The Moving Average Convergence Divergence(MACD) is a trend follwing momentum indicator. It also does a good job of finding a reversal in trends. The MACD shows the relationship between two exponential moving averages. The most commonly used EMA's for the MACD are the 12,26,9. The MACD line is calculated by subtracting the 12 EMA from the 26 EMA with the 9 EMA used as a signal line. In addition to the moving average lines a histogram is also plotted with the MACD showing the difference between the MACD and the 9 EMA.
Moving Average Crossover
The most simple way to use the MACD is to look for a crossover of the moving averages. When the MACD line crosses to the upside of the 9 EMA that is a bullish signal, conversely when the MACD line crosses to the downside of the 9 EMA that is a sell signal.
Here is an example of both
(MACD Crossover pic)
Click to enlarge:
Here we can see the simple MACD crossover working well om a 1 hour EUR/USD chart. We get both buy and sell signals followed by decent trends to lock in profits. Using this type of signal soley will have you constantly in trades and is not very good in a whippy market. It is best if you use other indicators in combination with the MACD crossover for a better signal.
Divergence
A divergence occurs when the price moves in one direction and the MACD goes in another. This usually signals an end to a trend and a sign we will be reversing soon. This is one of my favourite indicators when looking for a slow down in a trend.
Here is an example
(MACD Divergence pic)
Click to enlarge:
We see that as price continued to move up the MACD was moving the opposite way. This was followed by a turn in price to the downside to follow the MACD.
Center Line Crossover
Another signal used by MACD analysts is the crossover of the center line or zero line. A bullish signal is created when the MACD moves from negative to positive and conversely a sell signal occurs when the MACD moves from positive to negative.
Here is an example
(MACD Center Crossover Pic)
Click to enlarge:
As you can see on this USDCHF Daily Chart, we can get many signals on these center crosses. The signal tends to be lagging and should be used as a confirmation of another signal.
MACD Histogram
The MACD histogram is the differnce between the MACD and the signal line. The histogram starts at the zero line and is pointed up when the MACD is greater than the signal line. Conversely it is pointed down when the MACD is below the signal line. We can look to the histogram for possible divergence as well as looking for peaks and troughs.
Here is an example
(MACD Histogram Pic)
Click to enlarge:
As we see on the USD/JPY Daily chart firstly and examble of divergence using the histogram. We see the histogram start to move toward the positive as the price is decreasing. This is a sign the price momentum is slowing and a possible reversal is about to occur. We also see a new low hit on the histogram chart. This is an oversold signal and a sign when the MACD crosses the signal line to the upside that momentum has come to an end and the chart has turned bullish.
Combining MACD Signals
I touched briefly on combining the signals above. Specifically in the Histogram example we see that when we hit a low on the histogram chart the following crossover confirmed we were at a low and gave us a bullish signal. This is a good example of combining indicators. I do not use the MACD crossovers exclusively. To do so would give you far too many signals and many false signals. But when used in conjuction with the divergence or the histogram we can get some stronger signals which will lead to more profits and less losses. My favorite indicator is using the MACD, looking for bullish and bearish divergence. When I see what appears to be a divergence I need to get a confirmation of that. I use the crossover of the MACD and the signal line to confirm that I am correct. Sometimes we may think we have divergence only to find the MACD continue to rise and create a new high as price is creating a new high. Like anything else patience is needed and signals must be waited for. Getting in premature does not give you a good place to exit. If I enter on a crossover I will look to exit if I get a reversal and the MACD crosses back.
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