What Is ADX In the Stock Market?

What Is ADX In the Stock Market?

The Average Directional Index (ADX) in the stock market is a technical analysis indicator measuring trend intensity. It ranges from 0 to 100, with readings above 25 indicating a strong trend. ADX focuses on trend strength, helping traders identify potential market shifts.

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ADX Meaning

The ADX, or Average Directional Index, is a technical analysis indicator that quantifies the strength of a market trend. Values range from 0 to 100, with numbers above 25 indicating a strong directional trend. It evaluates trend vigor without considering its direction.

How to Use ADX Indicator?

The ADX, or Average Directional Index, measures the strength of a market trend with values between 0 and 100. Use +DM and -DM to discern the trend direction, with values over 25 indicating a strong trend. Crossovers between +DM and -DM can signal potential trend shifts.

Here’s a detailed procedure on how to use ADX indicator:

Calculate the Positive Directional Movement (+DM) and Negative Directional Movement (-DM)

+DM measures upward movements based on consecutive periods with higher highs and lows. It is the aggregate of all positive trajectory changes over a specific period (usually 14 periods).

-DM measures downward movements based on successive periods with lower highs and lower lows. It is the sum of all movements in a negative direction over the same period.

Calculate the Directional Movement Index (DMI)

The DMI is computed by averaging the +DM and -DM values over the selected period, which is typically 14 periods. This reduces the volatility of the +DM and -DM raw lines.

Calculate the ADX

ADX is calculated by averaging the absolute value of the rates of change between the most recent and previous DMI values over the same time. It demonstrates the strength of the prevailing trend.

Look for ADX Values

Values greater than 25 indicate the presence of a strong trend, as the movements are consistent in one direction over successive periods. Values below 20 indicate a feeble or nonexistent trend with erratic fluctuations.

Use +DM and -DM to Determine the Trend Direction

A greater value of +DM than -DM indicates an upward trend as prices make a series of higher highs and higher lows. Vice versa to a downward trend.

Use Crossovers as Signals

The crossing of +DM above -DM signifies a shift from a downward to an upward trend. Vice versa for a change from an upward to downward trend. It indicates a change in the price trend’s trajectory.

Consider Trend Strength

After a signal, higher ADX readings indicate a stronger trend with more consistent movement. It increases confidence in trading in the direction of the new trend.

Average Directional Index Formula

The Average Directional Index (ADX) formula consists of three components:

Positive Directional Movement (+DM)

+DM = (Current High – Previous High) if (Current High – Previous High) > (Previous Low – Current Low)  

+ 0 if (Current High – Previous High) ≤ (Previous Low – Current Low)

Negative Directional Movement (-DM)

-DM = (Previous Low – Current Low) if (Previous Low – Current Low) > (Current High – Previous High)

– 0 if (Previous Low – Current Low) ≤ (Current High – Previous High)

Directional Movement Index (DMI)

DMI = MA(+DM, N) + MA(-DM, N)  

Where MA is an N period simple moving average

Typically, N is 14 periods.

Average Directional Index (ADX)



ADX = 100 x (MA(|DX|, N) / DMI)

DX = (|+DM – -DM| / DMI) 

Average Directional Index Strategy

A winning ADX trading strategy helps you pinpoint when the price is trending. Accordingly, you can then form a strategy toward the trend. 

2-Period ADX Strategy

This ADX strategy employs a 2-period ADX instead of a 1-period ADX to detect extremely short-term trends. When 2-period ADX rises above 1-period ADX, a buy signal is generated, and vice versa for a sell signal. Due to the brief timeframes, it enables early trend entrance but with less precision. On the occurrence of crossover reversals, positions are closed.

Crossovers Strategy

This indicator watches for the +DM line to cross above the -DM line for a purchase and vice versa for a sale. +DM measures upward motion, while -DM measures downward. Traders enter in the direction of the established trend upon the crossover. A rising ADX after the crossover eliminates whipsaws. The direction lines determine the stops.

Holy Grail Strategy

It incorporates ADX, RSI, and the moving average. A buy signal requires an ascending ADX, an RSI below 50, and a price above the moving average. In contrast, for a sale. It attempts to identify trends with strong converging signals by combining indicators supplying trend, momentum, and price filters.

ADX Divergence Strategy

This indicator detects when the price creates a new high/low, but ADX creates a lesser high/low. This price and momentum divergence is indicative of waning trends. Traders enter the direction of the divergence in anticipation of a reversal, the probability of which increases with the magnitude of the divergence.

How To Use ADX Indicator For Day Trading?

Choose the Correct Time Frame

The ADX is most effective during day trading on brief time frames, such as 5-minute, 15-minute, and 1-hour charts. It permits the identification of shorter-term trends.

Set the ADX Indicator

Include the ADX indicator in the chart. The default period is 14, but this can be changed. ADX readings above 25 indicate a strong trend, while ADX readings below 20 indicate a weaker trend.

Identify the Trend Direction

Confirm an uptrend if the +DI line is above the -DI line. Vice versa for a downward trend. A crossover of these lines also indicates a change in trend.

Look for Trend Reversals

Observe ADX readings for divergences, which frequently precede a change in trend. For example, a new price high is accompanied by a lower ADX high.

Enter and Exit Trades

During an uptrend, enter long when the ADX line increases, and +DI is above -DI. Similarly, enter short during a downtrend when the conditions have reversed. As intraday trends can be volatile, monitoring your stop losses closely is prudent.

Best ADX Setting For 5 Minutes Chart

Period: 14. This is a common period for the ADX indicator, as it serves to reduce volatility and disturbance on 5-minute charts.

Signal Line: 9. The signal line is typically set to approximately half the period. Combining a period of 14 and a signal line of 9 is a suitable starting point.

DI+ Line: Since the DI+ and DI- lines are already incorporated into the ADX, it is unnecessary to display them.

ADX Line: Should cross above 25 to signify a strong trend. Additionally, some traders use a level of 30 or greater to indicate an even stronger trend.

Buy Signal: When the ADX exceeds 25, and the price exceeds the moving average. It indicates that the trend is gaining momentum.

Sell Signal: When the ADX decreases below 25, and the price falls below the moving average. It indicates that the trend is waning.

What Is ADX In Stock Market – Quick Summary

  • The ADX is the Average Directional Index, a technical analysis indicator used to measure trend strength.
  • It measures the strength of the prevailing trend by identifying developing trends and distinguishing major trends from minor random price fluctuations.
  • The ADX is plotted on a scale of 0-100. A reading above 20 indicates a strong trend, while a reading below 20 indicates a weak trend or consolidation.
  • Traders buy when the ADX rises above 20 and the +DI is above the -DI during an uptrend. They sell when the reverse occurs during a downtrend.
  • Day traders use ADX to identify strong intraday trends and trade in the direction of the trend. They enter/exit based on ADX crosses and divergences.

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What Is ADX In Stock Market – Frequently Asked Questions

1. What Is ADX In the Stock Market?

The Average Directional Index (ADX) is a technical analysis indicator that measures the strength of a trend.

2. Is ADX Bullish Or Bearish?

The ADX is neither bullish nor bearish by itself. It measures the strength of a trend. Readings above 20 represent a robust trend, whereas readings below 20 represent a moderate trend or consolidation.

3. How Do Day Traders Use ADX?

ADX is utilized by day traders to identify the beginning and end of trends. A rising ADX indicates a strengthening trend, whereas a declining ADX indicates a diminishing trend.

4. What Does ADX 50 Mean?

A reading of 50 on the ADX typically indicates extremely intense trending conditions. When the ADX rises above 50, the trend is incredibly robust.

5. Which Is Better RSI Or ADX?

RSI and ADX measure different things. The RSI oscillator measures overbought and oversold conditions, whereas the ADX measures trend strength. ADX may be more effective at identifying trends, whereas RSI can aid in timing entries in the direction of the prevailing trend.

6. Is ADX Indicator Useful?

Yes, the ADX indicator can be a valuable instrument for technical traders. It helps traders determine trading opportunities by identifying the presence and strength of trends.

7. Is ADX Good For Intraday?

Yes, intraday trading time frames as brief as five minutes or one hour can benefit from the ADX. Traders can use short-term changes in the ADX to determine the momentum and magnitude of intraday price fluctuations.

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