/*********************************
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:
MACD Reversed Crossover Strategy, by Donald W. Pendergast Jr.
Version: 1.0 01/08/2009
Formula Parameters: Default:
Fast Length 12
Slow Length 26
Smoothing 9
Notes:
The related article is copyrighted material. If you are not
a subscriber of Stocks & Commodities, please visit <a href="http://www.traders.com." target="_blank">www.traders.com.</a>
**********************************/
var fpArray = new Array();
var bInit = false;
var bVersion = null;
function preMain() {
setPriceStudy(false);
setShowTitleParameters( false );
setStudyTitle("MACD Reversed Crossover Strategy");
setColorPriceBars(true);
setDefaultPriceBarColor(Color.black);
setCursorLabelName("MACD", 0);
setCursorLabelName("Signal", 1);
setDefaultBarFgColor(Color.green, 0);
setDefaultBarFgColor(Color.red, 1);
setDefaultBarThickness(2, 0);
setDefaultBarThickness(2, 1);
var x=0;
fpArray[x] = new FunctionParameter("FastLength", FunctionParameter.NUMBER);
with(fpArray[x++]){
setName("Fast Length");
setLowerLimit(1);
setDefault(12);
}
fpArray[x] = new FunctionParameter("SlowLength", FunctionParameter.NUMBER);
with(fpArray[x++]){
setName("Slow Length");
setLowerLimit(1);
setDefault(26);
}
fpArray[x] = new FunctionParameter("Smoothing", FunctionParameter.NUMBER);
with(fpArray[x++]){
setName("Smoothing");
setLowerLimit(0);
setDefault(9);
}
}
var xMACD = null;
var xSignal = null;
function main(FastLength, SlowLength , Smoothing) {
if (bVersion == null) bVersion = verify();
if (bVersion == false) return;
if (getCurrentBarIndex() == 0) return;
if ( bInit == false ) {
xMACD = macd(FastLength, SlowLength, Smoothing);
xSignal = macdSignal(FastLength, SlowLength, Smoothing);
bInit = true;
}
if (xSignal.getValue(-1) == null) return;
if(xSignal.getValue(-2) >= xMACD.getValue(-2) &&
xSignal.getValue(-1) < xMACD.getValue(-1) && !Strategy.isLong()) {
Strategy.doLong("Long", Strategy.MARKET, Strategy.THISBAR);
}
if(xSignal.getValue(-1) > xMACD.getValue(-1) && Strategy.isLong()) {
Strategy.doSell("Exit Long", Strategy.MARKET, Strategy.THISBAR);
}
if(Strategy.isLong())
setPriceBarColor(Color.lime);
else setPriceBarColor(Color.black);
return new Array(xMACD.getValue(0), xSignal.getValue(0));
}
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;
}
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