Back to website
What is the Exponential Moving Average? What is the Triple Exponential Moving Average (TEMA)
4 mins read

Overview of Double Exponential Moving Average (DEMA)

The Double Exponential Moving Average (DEMA) is a type of technical analysis indicator used in trading to identify trends and potential trading opportunities. Before delving into the DEMA, it is essential to have a general understanding of moving averages, which are commonly used in technical analysis. Moving averages are a statistical calculation of the average price of an asset over a specified period of time. Traders use moving averages to smooth out price fluctuations and identify trends. The DEMA is a variation of the traditional exponential moving average (EMA) that uses two EMA calculations to reduce lag and provide more accurate trend identification. In this article, we will explore the DEMA and its uses in trading.

How the Double Exponential Moving Average Works

The DEMA is a type of moving average that is designed to reduce lag and increase the sensitivity of the moving average. DEMA is calculated using two exponential moving averages, one short-term and one long-term, which are then combined to create a smoother, more responsive moving average. Compared to other moving averages, DEMA provides a faster response to price changes and reduces the impact of lag. The formula for DEMA includes two parameters, the number of periods for the short-term and long-term exponential moving averages, which can be adjusted to suit individual trading strategies. The smoothing effect of DEMA is achieved by using a weighted average of the two exponential moving averages, resulting in a more accurate representation of price movements.

What Does the Double Exponential Moving Average Tell You?

The DEMA is a technical indicator you can use to measure price trends in the stock market. This indicator is created by charting two exponentially smoothened lines. Since one line is based on the other, it helps provide an even more accurate representation of price movements than other indicators like the simple and exponential moving averages. The primary benefit of using the Double Exponential Moving Average is that it responds faster to sudden changes in price movements, allowing you to make quick decisions regarding your investments. With its sharp sensitivity and highly precise readings, the DEMA gives investors a clear indication of when they should buy or sell a particular security in order to maximize gains and minimize losses.

Advantages of Using DEMA

The DEMA technique has been shown to have several distinct advantages over traditional moving average strategies. DEMA has the unique ability to provide clearer buy and sell signals in comparison to traditional techniques, allowing for better entry and exit points for technical traders. Additionally, by using two different EMAs as part of its calculation, DEMA is able to identify price trends faster than other methods, enabling quicker action when markets are shifting. Finally, since the indicator itself takes both long-term and short-term trends into account simultaneously, it can be used as a reliable tool for predicting future market movements. All in all, the Double Exponential Moving Average provides an incredibly useful technique to any trader looking to maximize their potential profits in volatile markets.

Examples of DEMA in Action

The DEMA is a popular technical indicator used by traders to identify trends in financial markets. In this section, we will discuss some examples of DEMA in action. DEMA can be used in a variety of ways, but one common approach is to look for crossovers between the DEMA and price action. When the DEMA crosses above the price, it can signal a bullish trend, while a crossover below the price can indicate a bearish trend. Charts can be used to visualize these signals, with traders using technical analysis tools to identify potential buy and sell signals. Additionally, traders often compare the DEMA with other popular moving averages, such as the Simple Moving Average (SMA) or Exponential Moving Average (EMA), to confirm signals and improve their trading strategies. Finally, traders may backtest the DEMA using historical price data to see how it would have performed in different market conditions.

Double exponential moving average DEMA

Potential Drawbacks of DEMA

One potential drawback of the DEMA trading strategy is the issue of lagging. When utilizing this approach, as prices move up and down beyond the current EMA, a significant degree of lag can occur as you wait for two EMAs to cross. This may result in missing portions of an uptrend or downtrend, and traders need to be aware that no trading system is perfect, especially when it comes to the speed at which profits are realized. Another downside of using this strategy is that there can be undefined areas where false signals or whipsaws can occur. These false signals have been known to produce losses despite following a considered viable strategy, so traders should remain mindful while employing this method – and all methods – of technical analysis.

Example scanners and strategies that use Double Exponential Moving Average

The Double Exponential Moving Average can be used in both Scanning the market and Testing Strategies. To see how exactly it can be used in these ways, we provide the following samples. The scanner searches the market for stocks using this indicator, and the strategy tests buying and selling rules built around this indicator.

"DEMA Scan" scanner by TrendSpider
“DEMA Scan” scanner by TrendSpider
"DEMA Strategy #Marketplace" strategy by TrendSpider
“DEMA Strategy #Marketplace” strategy by TrendSpider

The Bottom Line

In conclusion, the Double Exponential Moving Average (DEMA) stands out as a sophisticated technical analysis tool that traders use to gain a competitive edge in the market. The DEMA’s unique features, including reduced lag time, accurate signal identification, and customizable parameters, make it a popular choice among traders who value technical analysis. However, traders must be mindful of potential drawbacks such as the DEMA’s high sensitivity to price fluctuations, which can result in erroneous signals during periods of market turbulence, and the risks associated with over-optimization. Additionally, beginners may find DEMA’s calculation formula and parameters complex, making it challenging to use effectively. Traders are encouraged to consider DEMA in combination with other technical analysis tools, in addition to developing an in-depth understanding of market trends and effective risk management strategies. With a measured approach, DEMA has the potential to be a valuable addition to a trader’s toolkit, providing insights into market trends and helping to inform profitable trading decisions.


  • Moving Averages

    Introduction to Moving Averages 

    Moving averages are one of the financial industry’s most widely used technical analysis tools. Essentially, a moving average is a calculation used to analyze the average price of an asset over a given period. This calculation is based on a certain number of past prices that are averaged to provide an indication of the direction …
    Introduction to Moving Averages
  • Technical Indicators

    Demystifying Technical Indicators: Understanding the Role of Technical Indicators in Trading 

    Introduction to Technical Indicators Purpose of Technical Indicators in Trading Technical indicators are essential tools for traders to help them better understand price movements, trends, and potential trading opportunities. They are mathematical calculations based on historical price data, volume, and/or other factors that are used to forecast future price movements. The Development of Technical Indicators …
    Demystifying Technical Indicators: Understanding the Role of Technical Indicators in Trading
What is the Exponential Moving Average? What is the Triple Exponential Moving Average (TEMA)