Average True Range - ATR

AAA

DEFINITION of 'Average True Range - ATR'

A measure of volatility introduced by Welles Wilder in his book: New Concepts in Technical Trading Systems.

The true range indicator is the greatest of the following:
-current high less the current low.
-the absolute value of the current high less the previous close.
-the absolute value of the current low less the previous close.

The average true range is a moving average (generally 14-days) of the true ranges.

BREAKING DOWN 'Average True Range - ATR'

Wilder originally developed the ATR for commodities but the indicator can also be used for stocks and indexes. Simply put, a stock experiencing a high level of volatility will have a higher ATR, and a low volatility stock will have a lower ATR.

RELATED TERMS
  1. Moving Average - MA

    A widely used indicator in technical analysis that helps smooth ...
  2. Inside Days

    A charting term used by technical analysts and day traders. Inside ...
  3. Outside Days

    A term employed by market technicians and day traders. Outside ...
  4. Wide-Ranging Days

    A description of the price range of a stock on a particularly ...
  5. Volatility

    1. A statistical measure of the dispersion of returns for a given ...
  6. Technical Analysis

    A method of evaluating securities by analyzing statistics generated ...
Related Articles
  1. Trading Strategies

    Using Compound Indicators To Predict Market Fluctuations

    Learn how to combine average true range, simple moving average and Bollinger band indicators to gauge market volatility.
  2. Active Trading

    Range Bar Charts: A Different View Of The Markets

    While range bars are not a type of technical indicator, traders can employ this useful tool to identify trends and interpret volatility.
  3. Forex Education

    Range Trade Forex With Non-U.S. Dollar Pairs

    If you are following a range-trading strategy, you're better off with pairs that do not include the U.S. dollar. Find out why.
  4. Options & Futures

    Measure Volatility With Average True Range

    Find more profitable entry and exit locations with this standard indicator.
  5. Mutual Funds & ETFs

    Surf's Up With Filtered Waves

    With an appropriate filter, you can ride the waters to rising profits.
  6. Active Trading

    Enter Profitable Territory With Average True Range

    Find entry or exit signals or develop a complete system based on this versatile tool.
  7. Chart Advisor

    Gold Struggles to Climb Higher and May Fall Soon

    Traders will be watching the price of gold over the coming weeks. We'll take a look at how a couple major moving averages are suggesting that the next move could be lower.
  8. Technical Indicators

    Use Market Volume Data to Determine a Bottom

    Market bottoms often carve out classic volume patterns that let observant traders make fast and accurate calls.
  9. Mutual Funds & ETFs

    ETF Analysis: First Trust Dorsey Wright Focus 5

    Take a closer look at the First Trust Dorsey Wright Focus 5 ETF, a unique and innovative fund of funds based on momentum and relative strength.
  10. Charts & Patterns

    Understand How Square Works before the IPO

    Square is reported to have filed for an IPO. For interested investors wondering how the company makes money, Investopedia takes a look at its business.
RELATED FAQS
  1. How do I use Volatility Ratio for creating a forex trading strategy?

    The volatility ratio can be used when analyzing currency pairs in much the same way as stocks. A forex trader can use it ... Read Full Answer >>
  2. What is a common strategy traders implement when using the Volatility Ratio?

    The volatility ratio is a tool that a trader can use to identify whether the price of a stock has been trading out of its ... Read Full Answer >>
  3. What is a common strategy traders implement when using STARC Bands?

    Stoller Average Range Channels (or STARC), Bands were created by Manning Stoller in the 1980s to help generate trading signals ... Read Full Answer >>
  4. Why are STARC Bands important for traders and analysts?

    STARC bands, or Stoller average range channels, provide traders and market analysts with indications of the level of volatility ... Read Full Answer >>
  5. What are the main differences between STARC Bands & Bollinger Bands®?

    STARC Bands and Bollinger Bands have very similar analytical goals but vary in their method of achieving them. Both STARC ... Read Full Answer >>
  6. Who developed the relative strength index (RSI)?

    J. Welles Wilder, Jr. created the relative strength index (RSI) following a career in mechanical engineering and real estate. ... Read Full Answer >>

You May Also Like

Hot Definitions
  1. Stock Market Crash

    A rapid and often unanticipated drop in stock prices. A stock market crash can be the result of major catastrophic events, ...
  2. Financial Crisis

    A situation in which the value of financial institutions or assets drops rapidly. A financial crisis is often associated ...
  3. Election Period

    The period of time during which an investor who owns an extendable or retractable bond must indicate to the issuer whether ...
  4. Shanghai Stock Exchange

    The largest stock exchange in mainland China, the Shanghai Stock Exchange is a nonprofit organization run by the China Securities ...
  5. Dead Cat Bounce

    A temporary recovery from a prolonged decline or bear market, followed by the continuation of the downtrend. A dead cat bounce ...
  6. Bear Market

    A market condition in which the prices of securities are falling, and widespread pessimism causes the negative sentiment ...
Trading Center
×

You are using adblocking software

Want access to all of Investopedia? Add us to your “whitelist”
so you'll never miss a feature!