The average true range is an indicator of the price volatility of an asset. It is best used to determine how much an investment’s price has been moving in the period being evaluated rather than an indication of a trend. Calculating an investment’s ATR is relatively straightforward, only requiring you to use price data for the period you’re investigating.
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What Does the ATR Tell You?
Wilder originally developed the ATR for commodities, although the indicator can also be used for stocks and indices.1 Simply put, a stock experiencing a high level of volatility has a higher ATR, and a lower ATR indicates lower volatility for the period evaluated. The ATR may be used by market technicians to enter and exit trades and is a…
Limitations of the ATR
There are two main limitations to using the ATR indicator. The first is that ATR is a subjective measure, meaning that it is open to interpretation. No single ATR value will tell you with any certainty that a trend is about to reverse or not. Instead, ATR readings should always be compared against earlier readings to get…
What Is the Average True Range (ATR)?
The average true range (ATR) is a technical analysis indicator introduced by market technician J. Welles Wilder Jr. in his book New Concepts in Technical Trading Systems that measures market volatility by decomposing the entire range of an asset price for that period.1 The true range indicator is taken as the greatest of the following: current high…
How Do You Read ATR Values?
An average true range value is the average price range of an investment over a period. So if the ATR for an asset is $1.18, its price has an average range of movement of $1.18 per trading day.
How to Calculate the ATR
The first step in calculating ATR is to find a series of true range values for a security. The price range of an asset for a given trading day is its high minus its low. To find an asset’s true range value, you first determine the three terms from the formula. Suppose that XYZ’s stock…
How Do You Use ATR Indicator in Trading?
Average true range is used to evaluate an investment’s price volatility. It is used in conjunction with other indicators and tools to enter and exit trades or decide whether to purchase an asset.