Overview

          Calculates the Average True Range (ATR) over a given number of bars.

Short Form

          ATR(Close, High, Low)[Offset]

Settings

          Close - Value source to use for the closing value.

          High - Value source to use for the high value.

          Low - Value source to use for the low value.

          Length - Number of bars to average.

          Offset - Number of bars back to begin the calculation.

Results

          A numeric value containing the simple MA of the true range over Length bars.  The last bar in the average is Offset bars back from the current bar.  If fewer than Length bars are available, then the average cannot be evaluated.

Formula