Average daily range

Benzinga  Jul 15  Comment 
The Average Daily Range (ADR) can be a great addition to your trading toolbox, as long as you know how it is best used. When trading Nadex binary option and spreads, your trade setup is only as good as your target, so if you aren't using a method...
Wall Street Sector Selector  Sep 21  Comment 
While the market continues to log extended directional runs in a relatively high volatility environment, you may have noticed the recent dramatic reduction in average daily range. The charts below track the cumulative absolute change in daily S&P...


The average daily range is the average of the daily range over a given number of days.

Average daily range can be calculated over different numbers of days, so an investor must choose whether to look at, for example, a 10-day average daily range, or a 180-day average daily range - the results could differ between the two.

Tracking the average daily range as a 10-day moving average - IE, the average of the daily ranges for the last 10 days - is a common use case, particularly for technical traders.

How it's used

Comparing the current day's daily range to the historical daily range gives a measure of volatility for the stock. When the day range increases, the stock is more volatile

Disadvantage of Average Daily Range

One downside of using the Average Daily Range is that the calculation can cause problems when a stock is moving rapidly in one direction, either up or down. In such cases, the stock's lowest trading point on a given day can exceed its highest trading point on the previous day, and in such cases the Average Daily Range will underestimate the true volatility over that time period.

In such cases, the "Average True Range" will account for this issue and yield a better measure of the historical volatility of the stock.


Let's say stock XYZ had the following highs and lows for the last 10 days:

Day Day High Day Low Range
1$35 $30 $5
2$34 $30 $4
3$37 $31 $6
4$38 $30 $8
5$39 $34 $5

The average daily range would be the average of the day ranges over the 5 days - in this case the average of $5, $4, $6, $8, and $5 -- $6 dollars.

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