The Moving average convergence divergence (MACD) indicator was created by Gerald Appel in 1960. MACD is a momentum indicator and considered a valuable tool for any forex trader. MACD essentially indicates the correlation between the prices of two different moving averages of say two different forex contracts. It therefore shows the relationship between moving averages of two different prices.
MACD is calculated by subtracting the 26 day exponential moving average (EMA) from the 12 day exponential moving average (EMA). In addition, a 9 day exponential moving average is referred to as the signal line. The most commonly used EMAs for the MACD indicator are 12, 26 and 9 (suggesting the number of days for which the moving average is calculated). MACD can be applied to daily, weekly or monthly forex charts.
MACD = Short Term EMA - Long Term EMA
The following are the three ways to interpret MACD:
When the MACD falls below the signal line, it represents a bearish signal for a forex contract. It gives an indication for traders to sell the currency pair or short it, as the case may be. On the other hand, if the MACD moves above the signal line (breaking it from below), then the market is supposed to be in an upward movement, representing a bullish trend as a result of which, many traders may either long a currency or hold position(s).
Centre Line Crossover
This is another way to interpret MACD. When the MACD crosses over the central or zero line and moves from negative to positive, it suggests a sell signal for forex traders. On the other hand, when the MACD moves from positive to negative, it suggests a buying signal.
When the price of a currency pair deviates from the MACD, we can interpret it as the end of the current trend. Such a thing mainly occurs when the price of a share moves in one direction and MACD in another direction.
When the shorter term EMA moves above the longer term EMA, it suggests that the specific currency in question is in an overbought state- this implies that traders are likely to short the currency or square off their holdings.
- One of the main benefits of this indicator is that it can be used both as a trend and as a momentum indicator.
- MACD can be a great way to quickly evaluate the market momentum and trend.
- Day traders frequently use the MACD for predicting short term market trends.
Drawbacks of MACD
- The MACD indicator is not the most reliable indicator when the forex market is choppy.
- Another serious drawback of the MACD is that it tends to be more descriptive than predictive- hence it is more suited to understanding the market trends rather than predicting it.
- MACD is sometimes very difficult to interpret and use effectively, especially for novice forex traders.
The MACD is a very popular and commonly used in the forex technical analysis. It gives traders the ability to identify the direction of short term forex market trends and momentum quickly and easily. On the other hand, it does suffer from its drawbacks in that it is not always the most practical tool for predicting market movement, especially when the market is choppy.