Re: [amibroker] ATR formula in AmiBroker

["Tomasz Lutelmowski" <tomasz.lutelmowski@xxxxxxxxx>]

Thank you for putting me on right tracks! After reading your post I started to look up for Wilders smoothing formula and found that:

Wilders(Array, X) = EMA(Array, 2 * X - 1)

Thanks again & regards,
Tomek

2008/12/7 Thomas Z. <tzg@xxxxxxxxxxxxxxxxxxx>

Hello,

the ATR uses Wilders smoothing while you used simple smoothing. Here is the
code that matches the build-in calculation.

TrueRange = Max( H - L, Max( abs( H - Ref( C, -1 ) ), abs( L - Ref( C, -1 )
) ) );
myATR = Wilders(TrueRange, 3);
Plot(myATR, "myATR", colorBlue, 1);

Thomas
www.PatternExplorer.com

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