MA Percent Channel

MAPercentChannel.efs                                                                                                          EFSLibrary - Discussion Board

 

File Name: MAPercentChannel.efs

Description:
MA Percent Channel

Formula Parameters:
MA Method : SMA
MA Price Source : CLOSE
Length : 55
Shift : 0
Deviation : 1

Notes:

Download File:
MAPercentChannel.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: MA Percent Channel Version: 1.0 06/25/2009 Formula Parameters:
Default: MA Method SMA MA Price Source CLOSE Length 55 Shift 0 Deviation
1 Notes: **********************************/

var fpArray = new Array();
var bInit = false;

function preMain() {
  setPriceStudy(true);
  setShowCursorLabel(true);
  setShowTitleParameters(false);
  setStudyTitle("MA Percent Channel");
  setCursorLabelName("U1", 0);
  setDefaultBarFgColor(Color.blue, 0);
  setPlotType(PLOTTYPE_LINE, 0);
  setDefaultBarThickness(1, 0);
  setCursorLabelName("U2", 1);
  setDefaultBarFgColor(Color.blue, 1);
  setPlotType(PLOTTYPE_LINE, 1);
  setDefaultBarThickness(1, 1);
  setCursorLabelName("U3", 2);
  setDefaultBarFgColor(Color.blue, 2);
  setPlotType(PLOTTYPE_LINE, 2);
  setDefaultBarThickness(2, 2);
  setCursorLabelName("D1", 3);
  setDefaultBarFgColor(Color.red, 3);
  setPlotType(PLOTTYPE_LINE, 3);
  setDefaultBarThickness(1, 3);
  setCursorLabelName("D2", 4);
  setDefaultBarFgColor(Color.red, 4);
  setPlotType(PLOTTYPE_LINE, 4);
  setDefaultBarThickness(1, 4);
  setCursorLabelName("D3", 5);
  setDefaultBarFgColor(Color.red, 5);
  setPlotType(PLOTTYPE_LINE, 5);
  setDefaultBarThickness(2, 5);
  setCursorLabelName("LB", 6);
  setDefaultBarFgColor(Color.green, 6);
  setPlotType(PLOTTYPE_LINE, 6);
  setDefaultBarThickness(2, 6);
  var x = 0;
  fpArray[x] = new FunctionParameter("Length", FunctionParameter.NUMBER);
  with (fpArray[x++]) {
    setLowerLimit(1);
    setDefault(55);
  }
  fpArray[x] = new FunctionParameter("Shift", FunctionParameter.NUMBER);
  with (fpArray[x++]) {
    setLowerLimit(0);
    setDefault(0);
  }
  fpArray[x] = new FunctionParameter("Deviation", FunctionParameter.NUMBER);
  with (fpArray[x++]) {
    setLowerLimit(1);
    setDefault(1);
  }
  fpArray[x] = new FunctionParameter("sMAType", FunctionParameter.STRING);
  with (fpArray[x++]) {
    setName("MA Method");
    addOption("sma");
    addOption("ema");
    addOption("wma");
    addOption("vwma");
    setDefault("sma");
  }
  fpArray[x] = new FunctionParameter(
    "sMAPriceSource",
    FunctionParameter.STRING
  );
  with (fpArray[x++]) {
    setName("MA Price Source");
    addOption("open");
    addOption("high");
    addOption("low");
    addOption("close");
    addOption("hl2");
    addOption("hlc3");
    addOption("ohlc4");
    setDefault("close");
  }
}
var xMA = null;

function main(sMAType, sMAPriceSource, Length, Shift, Deviation) {
  var nBarState = getBarState();
  var nMA1 = 0;
  var nMA2 = 0;
  var nMA3 = 0;
  var nMA4 = 0;
  var nMA5 = 0;
  var nMA6 = 0;
  var nMA7 = 0;
  if (nBarState == BARSTATE_ALLBARS) {
    if (Length == null) Length = 55;
    if (Shift == null) Shift = 0;
    if (Deviation == null) Deviation = 1;
    if (sMAType == null) sMAType = "sma";
    if (sMAPriceSource == null) sMAPriceSource = "close";
  }
  if (bInit == false) {
    xMA = eval(sMAType)(Length, eval(sMAPriceSource)());
    bInit = true;
  }
  nMA7 = xMA.getValue(-Shift);
  if (nMA7 == null) return;
  nMA1 = (1 + (Deviation * 0.382) / 100) * nMA7;
  nMA4 = (1 - (Deviation * 0.382) / 100) * nMA7;
  nMA2 = (1 + (Deviation * 0.618) / 100) * nMA7;
  nMA5 = (1 - (Deviation * 0.618) / 100) * nMA7;
  nMA3 = (1 + Deviation / 100) * nMA7;
  nMA6 = (1 - Deviation / 100) * nMA7;
  return new Array(nMA1, nMA2, nMA3, nMA4, nMA5, nMA6, nMA7);
}