Understanding Average True Range (ATR) for Better Trading Decisions

Mike 2010.01.08 23:17 28 0 0
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Average True Range (ATR) is a powerful technical indicator that traders use to gauge market volatility.

Developed by Welles Wilder in his influential book "New Concepts in Technical Trading Systems", the ATR has since become a staple in many trading strategies.

Typically, you’ll see ATR spike during market bottoms, especially after a significant drop due to panic selling. Conversely, when the ATR is low, it often indicates a period of consolidation or sideways movement, which usually occurs at market tops.

You can think of ATR in the same way as other volatility indicators: a higher ATR value suggests an increased likelihood of a trend change, while a lower value indicates a weaker trend movement.

How to Calculate ATR:

To get the True Range, you’ll want to look at the highest of these three values:

  • The difference between the current high and low;
  • The difference between the previous closing price and the current high;
  • The difference between the previous closing price and the current low.

Finally, the ATR itself is essentially a moving average of these True Range values, helping you smooth out the data for better insights.

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