rafter.efs
File Name: rafter.efs
Description:
Moving Trend (Rafter Indicator)
Formula Parameters:
- N : 20
Notes:
The related article is copyrighted material. If you are not a subscriber of Stocks & Commodities, please visit www.traders.com.
Download File:
rafter.efs
EFS 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: Moving Trend (Rafter Indicator) Version: 1.0 05/19/2009 Formula Parameters: Default: N 20 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(); var bInit = false; function preMain() { setStudyTitle("Movtrend"); setCursorLabelName("Movtrend", 0); setDefaultBarFgColor(Color.blue, 0); setPriceStudy(true); var x = 0; fpArray[x] = new FunctionParameter("n", FunctionParameter.NUMBER); with(fpArray[x++]) { setName("N"); setLowerLimit(1); setDefault(20); } } var xMovTrend = null; function main(n) { var nBarState = getBarState(); var nMovTrend = 0; if (nBarState == BARSTATE_ALLBARS) { if(n == null) n = 20; } if (bInit == false) { xMovTrend = efsInternal("MovTrend", n); bInit = true; } nMovTrend = xMovTrend.getValue(0); if (nMovTrend == false) return; return nMovTrend; } var xClose = null; function MovTrend(n) { var nRes = 0; var sum = 0; var i = 0; if (xClose == null) xClose = close(); if (xClose.getValue(-n) == null) return; for(i = n; i > 0; i--) sum += (i - (n + 1) / 3) * xClose.getValue(i - n); nRes = 6 / (n * (n + 1)) * sum; return nRes; }