2017 April: Volume-Weighted Moving Average by Ken Calhoun

2017 April: Volume-Weighted Moving Average by Ken Calhoun  

File Name: VWMA_Breakouts.efs

Description:
Volume-Weighted Moving Average by Ken Calhoun

Formula Parameters:
VWMA_Breakouts.efs

• SMA Length: 70
• WVMA Length: 50

Notes:
The related article is copyrighted material. If you are not a subscriber of Stocks & Commodities, please visit www.traders.com.

Download File:
VWMA_Breakouts.efs

EFS Code: 

/*********************************
Provided By:  
eSignal (Copyright c eSignal), a division of Interactive Data 
Corporation. 2016. 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:        
    Volume-Weighted Moving Average by Ken Calhoun

Version:            1.00  02/10/2017

Formula Parameters:                     Default:
SMA Length                              70
WVMA Length                             50



Notes:
The related article is copyrighted material. If you are not a subscriber
of Stocks & Commodities, please visit www.traders.com.

**********************************/

var fpArray = new Array();

function preMain(){
    
    setPriceStudy(true);
    setDefaultBarFgColor(Color.RGB(255,106,0),1);
    setCursorLabelName("SMA", 0);
    setCursorLabelName("VWMA", 1);
    var x=0;
    fpArray[x] = new FunctionParameter("SMALength", FunctionParameter.NUMBER);
	with(fpArray[x++]){
        setLowerLimit(1);
        setUpperLimit(1000);  
        setDefault(70);
        setName("SMA Length");
    }

    fpArray[x] = new FunctionParameter("VWMALength", FunctionParameter.NUMBER);
	with(fpArray[x++]){
        setLowerLimit(1);
        setUpperLimit(1000);  
        setDefault(50);
        setName("VWMA Length");
    }
}

var bInit = false;
var bVersion = null;
var bIsLong = false;
var bWasLong = false;
var xSMA = null;
var xVWMA = null;

function main(SMALength, VWMALength){
    
    if (bVersion == null) bVersion = verify();
    if (bVersion == false) return;

    
    if (getBarState() == BARSTATE_ALLBARS){
        bInit = false;
    }

    if (!bInit){
        bIsLong = false;
        bWasLong = false;
        xSMA = sma(SMALength);
        xVWMA = vwma(VWMALength);
        bInit = true;
    }
    if (xSMA.getValue(-1) == null || xVWMA.getValue(-1) == null) return;
    
    var nSMA = xSMA.getValue(0);
    var nSMA_1 = xSMA.getValue(-1);
    var nVWMA = xVWMA.getValue(0);
    var nVWMA_1 = xVWMA.getValue(-1);


    if (nSMA > nVWMA && bIsLong){
        if (nSMA_1 <= nVWMA_1){
        drawTextRelative(0, AboveBar1, "\u00EA", Color.red, null, Text.PRESET|Text.CENTER, "Wingdings", 10, "Exit"+rawtime(0));
        drawText("Suggested Long Exit",BottomRow1,Color.red,Text.LEFT,"TextExit"+rawtime(0));
        bIsLong = false;
        }
        else {
            removeText("Long"+rawtime(0));
            removeText("Text"+rawtime(0));
        }
        bIsLong = false;
    }

    if (!bIsLong && nSMA < nVWMA){
        if (nSMA_1 > nVWMA_1){
            drawTextRelative(0,BelowBar1, "\u00E9", Color.green, null, Text.PRESET|Text.CENTER, "Wingdings", 10, "Long"+rawtime(0));
            drawText("Suggested Long Entry",TopRow1,Color.green,Text.LEFT,"Text"+rawtime(0));
            bIsLong = true;
            bWasLong = true;
        }
        else {
            removeText("Exit"+rawtime(0));
            removeText("TextExit"+rawtime(0));
            if (bWasLong)
                bIsLong = true;
        }
        
    }

    return [nSMA, nVWMA];
}


function verify(){
    var b = false;
    if (getBuildNumber() < 779){
        
        drawTextAbsolute(5, 35, "This study requires version 10.6 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;
}