2013 Dec: Swing trading with three indicators by Donald Pendergast

[eSignal]

File Name: 3MA_TradingTemplate.efs

Description:
Swing trading with three indicators by Donald Pendergast

Formula Parameters:

3MA_TradingTemplate.efs
Number of Ticks: 5
EMA Length: 50
Entry Long Position: lime
Entry Short Position: red
Exit Position: paleyellow

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

Download File:
3MA_TradingTemplate.efs


3MA_TradingTemplate.efs


EFS Code:

/*********************************
Provided By:  
    Interactive Data Corporation (Copyright © 2013) 
    All rights reserved. This sample eSignal Formula Script (EFS)
    is for educational purposes only. Interactive Data Corporation
    reserves the right to modify and overwrite this EFS file with 
    each new release. 

Description:        
    Swing trading with three indicators by Donald Pendergast
    
Version:            1.00  10/07/2013

Formula Parameters:                     Default:
Number of Ticks                         5
EMA Length                              50
Entry Long Position                     lime
Entry Short Position                    red
Exit Position                           paleyellow

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()
{
    setStudyTitle("3MA_TradingTemplate");
    setPriceStudy(true);
    
    setCursorLabelName("MA(high)", 0);
    setCursorLabelName("MA(low)", 1);
    setCursorLabelName("EMA", 2);
    
    setDefaultBarFgColor(Color.RGB(255, 155, 0), 0);
    setDefaultBarFgColor(Color.red, 1);
    setDefaultBarFgColor(Color.blue, 2);
    
    setDefaultBarThickness(2, 0);
    setDefaultBarThickness(2, 1);
    setDefaultBarThickness(2, 2);
        
    var x = 0;

    fpArray[x] = new FunctionParameter("fpNumberTicks", FunctionParameter.NUMBER);
    with(fpArray[x++])
    {
        setName("Number of Ticks");
        setLowerLimit(1);
        setDefault(5);
    }

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

    fpArray[x] = new FunctionParameter("fpEntryLongColor", FunctionParameter.COLOR);
    with(fpArray[x++])
    {
        setName("Entry Long Position");    
        setDefault(Color.lime);
    } 
    
    fpArray[x] = new FunctionParameter("fpEntryShortColor", FunctionParameter.COLOR);
    with(fpArray[x++])
    {
        setName("Entry Short Position");    
        setDefault(Color.red);
    }

    fpArray[x] = new FunctionParameter("fpExitColor", FunctionParameter.COLOR);
    with(fpArray[x++])
    {
        setName("Exit Position");    
        setDefault(Color.paleyellow  );
    }
}

var bInit = false;
var bVersion = null;

var xClose = null;
var xOpen = null;
var xHigh = null;
var xLow = null;

var xMA_highs = null;
var xMA_lows = null;
var xEMA = null;

var nTick = 0;

function main(fpNumberTicks, fpEMALength, fpEntryLongColor, fpEntryShortColor, fpExitColor) 
{
    if (bVersion == null) bVersion = verify();
    if (bVersion == false) return;
        
    if (!bInit)
    {
        xClose = close();
        xOpen = open();
        xHigh = high();
        xLow = low();
        
        xMA_highs = sma(5, xHigh);
        xMA_lows = sma(5, xLow);
        xEMA = ema(fpEMALength);
        
        nTick = getMinTick();
                
        bInit = true; 
    }

    var nClose = xClose.getValue(-1);
    var nOpen = xOpen.getValue(0);
    var nHigh = xHigh.getValue(0);
    var nLow = xLow.getValue(0);

    var nMA_highs = xMA_highs.getValue(0);
    var nMA_lows = xMA_lows.getValue(0);
    var nEMA = xEMA.getValue(0);

    if (nMA_highs == null || nMA_lows == null || nEMA == null)
        return;

    if (getCurrentBarIndex() != 0) 
    {
        var bFStrategy = Strategy.isInTrade();
        var bLStrategy = Strategy.isLong();
        var bSStrategy = Strategy.isShort();
        
        var nLotSize = Strategy.getDefaultLotSize();
        var nFillPrice = 0;
       
        if (!bFStrategy)
        {
            if ((nHigh > nMA_highs + (fpNumberTicks * nTick)) && (nClose > nEMA))
            {
                nFillPrice = Math.max(nOpen, nMA_highs + (fpNumberTicks * nTick));
                Strategy.doLong("Enter Long", Strategy.STOP, Strategy.THISBAR, Strategy.DEFAULT, nFillPrice);
                drawTextRelative(0, AboveBar3, "Enter Long", Color.black, fpEntryLongColor, Text.PRESET, null, null, getCurrentBarIndex()+"action");
                drawTextRelative(0, AboveBar2, nLotSize + " @ " + formatPriceNumber(nFillPrice), Color.black, fpEntryLongColor, Text.PRESET, null, null, getCurrentBarIndex()+"price");
                drawShapeRelative(0, AboveBar1, 10, null, Color.blue, Shape.PRESET, null); 
            }
            
            if ((nLow < nMA_lows - (fpNumberTicks * nTick)) && (nClose < nEMA))
            {
                nFillPrice = Math.min(nOpen, nMA_lows - (fpNumberTicks * nTick));
                Strategy.doShort("Enter Short", Strategy.STOP, Strategy.THISBAR, Strategy.DEFAULT, nFillPrice);
                drawTextRelative(0, AboveBar3, "Enter Short", Color.black, fpEntryShortColor, Text.PRESET, null, null, getCurrentBarIndex()+"action");
                drawTextRelative(0, AboveBar2, nLotSize + " @ " + formatPriceNumber(nFillPrice), Color.black, fpEntryShortColor, Text.PRESET, null, null, getCurrentBarIndex()+"price"); 
                drawShapeRelative(0, AboveBar1, 10, null, Color.blue, Shape.PRESET, null);
            }
        }
    
        if ((bLStrategy) && (nLow < nMA_lows))
        {
            nFillPrice = Math.min(nOpen, nMA_lows);
            Strategy.doSell("Exit Long", Strategy.STOP, Strategy.THISBAR, Strategy.DEFAULT, nFillPrice);
            drawTextRelative(0, BelowBar2, "Exit Long", Color.black, fpExitColor, Text.PRESET, null, null, getCurrentBarIndex()+"action");
            drawTextRelative(0, BelowBar3, nLotSize + " @ " + formatPriceNumber(nFillPrice), Color.black, fpExitColor, Text.PRESET, null, null, getCurrentBarIndex()+"price"); 
            drawShapeRelative(0, BelowBar1, 9, null, Color.blue, Shape.PRESET, null); 
        }
        
        if ((bSStrategy) && (nHigh > nMA_highs))
        {
            nFillPrice = Math.max(nOpen, nMA_highs);
            Strategy.doCover("Exit Short", Strategy.STOP, Strategy.THISBAR, Strategy.DEFAULT, nFillPrice);
            drawTextRelative(0, BelowBar2, "Exit Short", Color.black, fpExitColor, Text.PRESET, null, null, getCurrentBarIndex()+"action");
            drawTextRelative(0, BelowBar3, nLotSize + " @ " + formatPriceNumber(nFillPrice), Color.black, fpExitColor, Text.PRESET, null, null, getCurrentBarIndex()+"price"); 
            drawShapeRelative(0, BelowBar1, 9, null, Color.blue, Shape.PRESET, null); 
        }
    }

    return [nMA_highs, nMA_lows, nEMA];
}

function verify() 
{
    var b = false;
    if (getBuildNumber() < 779) 
    {
        drawTextAbsolute(5, 35, "This study requires version 8.0 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;
}