2006 May: Cross-Market Evaluations With Normalized ATR – EFS

Normalized_ATR.efs
EFSLibrary - Discussion Board

File Name: Normalized_ATR.efs

Description:
This study is based on the May 2006 article, Cross-Market Evaluations With Normalized Average True Range, by John Forman.

Formula Parameters:

Periods: 14

Notes:
This formula requires eSignal version 7.9.1 or later. The related article is copyrighted material. If you are not a subscriber of Stocks & Commodities, please visit www.traders.com.

Download File:
Normalized_ATR.efs

EFS Code:

/***************************************
Provided By : eSignal (c) Copyright 2006
Description:  Cross-Market Evaluations With Normalized
              Average True Range - by John Forman

Version 1.0  03/03/2006

Notes:
* May 2006 Issue of Stocks and Commodities Magazine
* Study requires version 7.9.1 or higher.


Formula Parameters:                 Defaults:
Periods                             14
***************************************/


function preMain() {
    setStudyTitle("Normalized ATR");
    setCursorLabelName("N-ATR", 0);
    setDefaultBarThickness(2, 0);
    
    var fp1 = new FunctionParameter("nPeriods", FunctionParameter.NUMBER);
        fp1.setName("N-ATR Periods");
        fp1.setLowerLimit(1);
        fp1.setDefault(14);
}

var bVersion = null;

function main(nPeriods) {    
    if (bVersion == null) bVersion = verify();
    if (bVersion == false) return;    

    if (getCurrentBarCount() <= nPeriods) return null;
    
    return (atr(nPeriods, 0)/close(0))*100;
}


function verify() {
    var b = false;
    if (getBuildNumber() < 730) {
        drawTextAbsolute(5, 35, "This study requires version 7.9.1 or later.", 
            Color.white, Color.blue, Text.RELATIVETOBOTTOM|Text.RELATIVETOLEFT|Text.BOLD|Text.LEFT,
            null, 13, "error");
        drawTextAbsolute(5, 20, "Click HERE to upgrade.@URL=http://www.esignal.com/download/default.asp", 
            Color.white, Color.blue, Text.RELATIVETOBOTTOM|Text.RELATIVETOLEFT|Text.BOLD|Text.LEFT,
            null, 13, "upgrade");
        return b;
    } else {
        b = true;
    }
    
    return b;
}