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 Description  | 
 This formula calculates Wilder's True Range.  | 
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 Formula  | 
 TrueRange(instrument)=if(HighLowDiff(instrument) > HighPreviousCloseDiff(instrument), if(HighLowDiff(instrument) > CloseLowDiff(instrument), HighLowDiff(instrument), CloseLowDiff(instrument)), if(HighPreviousCloseDiff(instrument) > CloseLowDiff(instrument), HighPreviousCloseDiff(instrument), CloseLowDiff(instrument)))  | 
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 Parameters  | 
 instrument 
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 Return Value  | 
 
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 Comments  | 
 
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