How to Use ADX (Average Directional Index)?


hen trading, it can be helpful to gauge the strength of a trend, regardless of its direction.

ADX is the short-term indicator ( it is again an oscillator) of the average direction of targeting, thanks to which, currency traders can determine both the direction and strength of current market trends. 

The main line of the ADX determines the direction of the trend. 

The lower the value of the main ADX line, the weaker the trend and, accordingly, the higher the value of the main ADX line, the stronger the current market trend.

The indicator can vary from 0 to 100.

If the baseline of the ADX rises above the line of 20, it means that the trend is constantly increasing and strong. 

But if the ADX starts to fluctuate below the 40 line, it means that the trend is likely to reverse or at least stop for a while as it gets weaker. 

When the main ADX line is below level 20, then it is assumed that there is no strong trend.

The ADX calculation can be complicated, but in a nutshell, the stronger the trend,  the higher ADX goes.

When the ADX is low, it highlights periods when the price is usually going sideways or trading in a range.

When the ADX has risen above 50, this indicates that the price has picked up momentum in one direction.

Unlike Stochastic, ADX does NOT determine whether the trend is bullish or bearish. Rather, it merely measures the strength of the current trend.

Because of that, ADX is typically used to identify whether the market is ranging or starting a new trend.

ADX is considered a “non-directional” indicator. It is based on comparing the highs and lows of bars and does not use the close of the bar.

The stronger the trend, the larger the reading regardless of whether it is an uptrend or downtrend.

How to Use ADX

When you’re using the ADX indicator, keep an eye on the 20 and 40 as key levels.

Here’s a little cheat sheet to help you interpret ADX values.

Let’s give you examples. 

In this first example, ADX lingered below 20 from late September until early December.

As you can see from the chart, EUR/CHF was stuck inside a range during that time.

Beginning in January though, ADX started to climb above 50, signaling that a strong trend could be waiting in the wings.

And would you look at that! EUR/CHF broke below the bottom of the range and went on a strong downtrend. Ooh, that’d be around 400 pips in the bag.

Now, let’s look at this next example:

Just like in our first example, ADX hovered below 20 for quite a while. At that time, EUR/CHF was also ranging.

Soon enough, ADX rose above 50 and EUR/CHF broke above the top of its range.

A strong uptrend took place. That’d be 300 pips, signed, sealed, and delivered!

Looks simple enough, right?

If there’s one problem with using ADX, it’s that it doesn’t exactly tell you whether it’s a buy or a sell.

What it does tell you is whether it’d be okay to jump in an ongoing trend or not.

Once ADX starts dropping below 50 again, it could mean that the uptrend or downtrend is starting to weaken and that it might be a good time to lock in profits.

How to Trade Using ADX

One way to trade using ADX is to wait for breakouts first before deciding to go long or short.

ADX can be used as confirmation whether the pair could possibly continue in its current trend or not.

Another way is to combine ADX with another indicator, particularly one that identifies whether the pair is headed downwards or upwards.

ADX can also be used to determine when one should close a trade early.

For instance, when ADX starts to slide below 50, it indicates that the current trend is losing steam.

From then on, the pair could possibly move sideways, so you might want to lock in those pips before that happens.

The next time you think a trend is changing and you need to decide whether to stick to this “friend” or cut ties, consider trying the ADX to confirm the trend’s strength.

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