RSS.efs, Rapid_RSS.efs
EFSLibrary - Discussion Board
File Name:
- RSS.efs
- Rapid_RSS.efs
Description:
These studies are based on the October 2006 article, Relative Spread Strength As A Long-Term Cyclic Tool, by Ian Copsey.
Formula Parameters:
RSS.efs
- RS Length: 5
- High Band: 80
- Low Band: 20
- Slow MA Length: 40
- Fast MA Length: 10
Rapid_RSS.efs
- Length: 14
- OverBought: 70
- OverSold: 30
Notes:
These formulas require eSignal version 8.0.0 or later. The related article is copyrighted material. If you are not a subscriber of Stocks & Commodities, please visit www.traders.com.
Download File:
RSS.efs
Rapid_RSS.efs
EFS Code:
RSS.efs
/***************************************
Provided By : eSignal (c) Copyright 2006
Description: Relative Spread Strength
As A Long-Term Cyclic Tool
by Ian Copsey
Version 1.0 08/11/2006
Notes:
* Oct 2006 Issue of Stocks and Commodities Magazine
* Study requires version 8.0 or higher.
Formula Parameters: Defaults:
RS Length 5
High Band 80
Low Band 20
Slow MA Length 40
Fast MA Length 10
***************************************/
function preMain() {
setStudyTitle("Relative Spread Strength ");
setCursorLabelName("RSS", 0);
setDefaultBarThickness(2, 0);
setDefaultBarFgColor(Color.red, 0);
var fp1 = new FunctionParameter("nRSLength", FunctionParameter.NUMBER);
fp1.setName("RS Length");
fp1.setLowerLimit(1);
fp1.setDefault(5);
var fp2 = new FunctionParameter("nHband", FunctionParameter.NUMBER);
fp2.setName("High Band");
fp2.setDefault(80);
var fp3 = new FunctionParameter("nLband", FunctionParameter.NUMBER);
fp3.setName("Low Band");
fp3.setDefault(20);
var fp4 = new FunctionParameter("nLenMA2", FunctionParameter.NUMBER);
fp4.setName("Slow MA Length");
fp4.setLowerLimit(1);
fp4.setDefault(40);
var fp5 = new FunctionParameter("nLenMA1", FunctionParameter.NUMBER);
fp5.setName("Fast MA Length");
fp5.setLowerLimit(1);
fp5.setDefault(10);
}
var bVersion = null;
var bInit = false;
var xSpread = null;
var xRSI = null;
var xRSS = null;
function main(nRSLength, nHband, nLband, nLenMA1, nLenMA2) {
if (bVersion == null) bVersion = verify();
if (bVersion == false) return;
if (bInit == false) {
addBand(nHband, PS_SOLID, 2, Color.blue, "High");
addBand(nLband, PS_SOLID, 2, Color.blue, "Low");
xSpread = efsInternal("calcSpread", nLenMA1, nLenMA2);
xRSI = rsi(nRSLength, xSpread);
xRSS = sma(5, xRSI);
bInit = true;
}
return xRSS.getValue(0);
}
var xMA1 = null;
var xMA2 = null;
function calcSpread(nLen1, nLen2) {
if (xMA1 == null) xMA1 = ema(nLen1);
if (xMA2 == null) xMA2 = ema(nLen2);
var nE1 = xMA1.getValue(0);
var nE2 = xMA2.getValue(0);
if (nE1 == null || nE2 == null) return;
return (nE1 - nE2);
}
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;
}
Rapid_RSS.efs
/***************************************
Provided By : eSignal (c) Copyright 2006
Description: Relative Spread Strength
As A Long-Term Cyclic Tool
by Ian Copsey
Version 1.0 08/11/2006
Notes:
* Oct 2006 Issue of Stocks and Commodities Magazine
* Study requires version 8.0 or higher.
Formula Parameters: Defaults:
Length 14
OverBought 70
OverSold 30
***************************************/
function preMain() {
setStudyTitle("Rapid RSI ");
setCursorLabelName("CRS", 0);
setDefaultBarThickness(2, 0);
setDefaultBarFgColor(Color.navy, 0);
var fp1 = new FunctionParameter("nLength", FunctionParameter.NUMBER);
fp1.setName("Length");
fp1.setLowerLimit(1);
fp1.setDefault(14);
var fp2 = new FunctionParameter("nOb", FunctionParameter.NUMBER);
fp2.setName("OverBought");
fp2.setDefault(70);
var fp3 = new FunctionParameter("nOs", FunctionParameter.NUMBER);
fp3.setName("OverSold");
fp3.setDefault(30);
}
var bVersion = null;
var bInit = false;
var xRapidRSI = null;
function main(nLength, nOb, nOs) {
if (bVersion == null) bVersion = verify();
if (bVersion == false) return;
if (bInit == false) {
addBand(nOb, PS_SOLID, 2, Color.blue, "OB");
addBand(nOs, PS_SOLID, 2, Color.blue, "OS");
xRapidRSI = efsInternal("calcRSS", nLength);
bInit = true;
}
return xRapidRSI.getValue(0);
}
function calcRSS(nLen) {
var nCntr = 0;
var nUpSum = 0;
var nDnSum = 0;
var nRS = 0;
var nCRS = null;
for (nCntr = 0; nCntr < nLen; nCntr++) {
if (close(-nCntr) > close(-(nCntr+1)) ) {
nUpSum += close(-nCntr) - close(-(nCntr+1));
}
if (close(-nCntr) < close(-(nCntr+1)) ) {
nDnSum += close(-(nCntr+1)) - close(-nCntr);
}
}
if (nDnSum != 0) {
nRS = nUpSum / nDnSum;
} else {
nRS = 100;
}
if (getCurrentBarCount() > nLen && nUpSum != nDnSum) {
nCRS = 100 - 100 / (1 + nRS);
} else {
nCRS = 0;
}
return nCRS;
}
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;
}