Lets assume that we run our tests again looking for units of ATR instead of dollars.Assume our research shows us that our best profit objective is now expressed as 4 ATRs.

• ATR对于建立坚实的交易系统是非常有价值的（也就是说交易系统可能在未来同样有效），而且他们能不加修饰的用于多个市场。