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Linearly Weighted Moving Average (LWMA)


A Linearly Weighted Moving Average (LWMA) is a type of moving average that gives more weight to the recent data points than the older ones in the time frame. It is calculated by multiplying each data point by a different weight, based on its age, and then summing these values. The LWMA is used in trend analysis, helping investors gauge market direction by emphasizing recent price action.


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Key Takeaways

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  1. Sensitivity to Recent Data: The LWMA, or Linearly Weighted Moving Average, gives more weight to recent data. In essence, it assumes that more recent data is more relevant to future patterns than data from further in the past. As a result, it reacts more quickly to new data shifts in relation to older data.
  2. Elimination of Noise: It acts as a smoothing tool, eliminating or reducing the influence of price noise. This can assist traders in identifying potential trends more clearly, making it a useful visualization tool.
  3. Usage for Short-Term Forecasts: LWMAs are more commonly utilized for short-term predictions due to their sensitivity to recent data. They are used to establish entry and exit points based on the resultant trend lines from the weighted averages. However, they might not be reliable for long-term data evaluation.


The Linearly Weighted Moving Average (LWMA) is important in business and finance because it provides more accurate and timely data for decision-making. It is a widely used method of calculating moving averages where more weight is given to the latest data. This is considered more helpful than using a standard moving average that simply calculates the average price over a specific period, as it gives extra weight to recent actions or trends, making it more responsive to price changes. By emphasizing more recent prices, the LWMA can be a vital tool for identifying short-term trends in price dynamics, supporting decision-making in matters such as investment or financial forecasting.


The Linearly Weighted Moving Average (LWMA) has a key role in financial analysis as it helps in dampening the “noise” in price data to reveal underlying trends more clearly. It is predominantly used for trend identification, specifically for identifying trending market conditions or highlighting potential reversals. This makes it an essential tool for traders and investors when making financial decisions in a timeframe suitable for them. The LWMA is preferred over simple moving averages by many traders because it gives more weight to recent price data, which can provide a truer indication of current market conditions.Moreover, the LWMA assists in generating trading signals by giving a more accurate representation of a financial instrument’s momentum. Traders often use these signals to identify opportunities to buy or sell. When the price of a financial instrument moves above its LWMA, it might indicate a bullish momentum, providing a signal to purchase. In contrast, a downward crossing of the price can suggest bearish momentum and a potential time to sell. By employing LWMA, investors are more likely to capture essential market movements promptly and reduce the risk of late entries or exits in volatile markets.


1. Stock Market Analysis: Linearly Weighted Moving Average (LWMA) plays a crucial role in tracking stocks’ performance over time. It helps investors and financial analysts to smooth out price fluctuations and identify the overall trend of the market. For example, an investor may use a LWMA of 50 days to better understand a stocks’ short-term movement and to predict future prices. 2. Commodity Trading: Traders in commodity markets like gold, silver, crude oil, etc., use LWMAs to get an understanding of price behavior over a certain period of time. For instance, a crude oil trader might use a 20-day LWMA to understand the recent price changes, giving them insights about the short-term market direction and helping to make buying or selling decisions. 3. Foreign Exchange Market: Currency traders use LWMA to identify possible points of currency value changes, implications for their currency pairs, and to make more informed trading decisions. An example could be a trader using LWMA ranging from a few hours to several days to fairly distribute weight to the most recent data and gain insights to help them make more profitable investment or trading decisions in the currency market.

Frequently Asked Questions(FAQ)

What is a Linearly Weighted Moving Average (LWMA)?

A Linearly Weighted Moving Average (LWMA) is a technical analysis indicator that assigns more weight to the recent price data points than the older ones. It is calculated by multiplying each data point with a different weighting factor.

How does the LWMA differ from other types of moving averages?

The LWMA differs largely on the measure of importance it assigns to different data points. For Simple Moving Average (SMA), every data point carries equal importance, whereas in an Exponential Moving Average (EMA), more weight is given on the recent values. In the case of the LWMA, the latest data gets the highest weight which continues to decrease linearly as we move to the older data.

What is the significance of LWMA in Financial and Business analysis?

The LWMA helps in identifying trends by smoothing out volatility. Since it assigns greater weight to recent data, it is more sensitive to new price changes, making it an effective tool to spot trend reversals early.

How is the LWMA calculated?

The LWMA is calculated by multiplying each closing price in the series by a certain weightage factor and then divided by the sum of the weightage factors. The most recent closing price is usually multiplied by the largest factor and the weight decreases linearly for the earlier prices.

Why use a Linearly Weighted Moving Average and not an Exponential or Simple Moving?

The LWMA is a useful tool when recent data is more relevant towards predicting future trends or when quick responses to price changes are essential. The EMA may also provide this, but it provides lesser weight to recent data when compared to LWMA. On the other hand, SMA gives equal weighting to all points, making it less responsive to new changes.

What are the limitations of using LWMA?

One of the limitations of using LWMA is that it may provide false signals, especially during volatile market conditions. Furthermore, since it is more keen on recent data, longer-term trends can be overlooked. It may also lead to overreacting to minor price changes.

Related Finance Terms

  • Exponential Moving Average (EMA): A type of moving average that gives more weight to recent data points, making it more responsive to new information.
  • Simple Moving Average (SMA): The unweighted mean of the previous n data points. Unlike EMA and LWMA, each data point in SMA has the same weight.
  • Data Points: Individual units of information that a financial analyst uses in the calculation of a statistical measure, such as a moving average.
  • Trend analysis: A technique used in technical analysis that helps traders forecast the future direction of asset prices through the study of past market data, such as price and volume.
  • Technical Analysis: A trading discipline employed to evaluate investments and identify trading opportunities in price trends and patterns seen on charts.

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