@gpw797,
Is this a cross-platform issue, where you are using the MC-special ATR, instead of the Wilders' ATR and trying to compare the outputs with different calculations?
I looked at the code for the indicator "Average True Range", and it has this line in it:
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var0 = AvgTrueRange( ATRLength ) ;
and in the function AvgTrueRange, the following:
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AvgTrueRange = Average( TrueRange, Len ) ;
and the function Average() is clearly a Simple Average, not an EMA as found elsewhere.
1. Wilders' book has an EMA(7) on page 23.
2. Wikipedia uses an EMA
3. Wikipedia references the Wilders book and an article on "earnforex.com"
4. The article on earnforex uses an EMA.
As far as I have been able to find, the official MC position is found here
viewtopic.php?t=45807#p100669 . If there is a different official MC position somewhere, I would like to know it.
Thank you,
Rob