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  • Advance-Decline Line

    File Name: AdvanceDeclineLine.efs

    Description:
    Advance-Decline Line

    Formula Parameters:
    Exchange : NYSE

    Notes:


    Download File:
    AdvanceDeclineLine.efs



    EFS Code:
    PHP Code:
    /*********************************
    Provided By:  
        eSignal (Copyright c eSignal), a division of Interactive Data 
        Corporation. 2009. All rights reserved. This sample eSignal 
        Formula Script (EFS) is for educational purposes only and may be 
        modified and saved under a new file name.  eSignal is not responsible
        for the functionality once modified.  eSignal reserves the right 
        to modify and overwrite this EFS file with each new release.

    Description:        
        Advance-Decline Line
        
    Version:            1.0  07/06/2009
        
    Formula Parameters:                     Default:
        Exchange                            NYSE

    Notes:

    **********************************/
    var fpArray = new Array();
    var 
    bInit false;

    function 
    preMain(){
        
    setPriceStudy(false);
        
    setStudyTitle("Advance-Decline Line");
        
    setCursorLabelName("AdvDecLine");    
        var 
    x=0;
        
    fpArray[x] = new FunctionParameter("sExchange"FunctionParameter.STRING);
        
    with(fpArray[x++]){
            
    setName("Exchange");
            
    addOption("NYSE"); 
            
    addOption("NASDAQ");         
            
    setDefault("NYSE");
        }
    }

    var 
    xAdvDecL null;

    function 
    main(sExchange){
    var 
    nBarState getBarState();
        if (
    nBarState == BARSTATE_ALLBARS) {
            if (
    sExchange == nullsExchange "NYSE";
        }
        if(!
    bInit){
            
    xAdvDecL efsInternal("Calc_AdvDec"sExchange);
        }
        return 
    xAdvDecL.getValue(0);
    }

    var 
    xAdvDec null;

    function 
    Calc_AdvDec(_exchange){
        if(
    getBarState() == BARSTATE_ALLBARS){
            if(
    _exchange == "NYSE"){
                
    xAdvDec close(sym("$ADD"));
            }else if(
    _exchange == "NASDAQ"){
                
    xAdvDec close(sym("$ADDQ"));
            }
        }
        if(
    xAdvDec.getValue(-2) == null) return;
        if(
    getCurrentBarCount() > 1) var nRef ref(-1);
        var 
    CumAdvDec nRef xAdvDec.getValue(0);
        return 
    CumAdvDec;

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