2011-07-19 12:29:39
What Does Average True Range - ATR Mean?
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.
Investopedia explains 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.