Average true range is a mt4 (MetaTrader 4) indicator and it can be used with any forex trading systems / strategies for additional confirmation of trading entries or exits.
(downloadable file Average true range.rar contains Average true range.ex4 and Average true range.mq4)
Free Download Average true range mt4 indicator 
How to install Average true range in forex trading platform metatrader 4?
- Extract the downloaded Average true range.rar.
- Go to “File menu” in Mt4 trading platform and click “open data folder”. Open Mql4 folder and open the indicators folder.
- Now paste the Average true range.ex4 and Average true range.mq4 files into indicators folder and restart the MetaTrader 4.
