MAOverBoughtOverSold.efs

MAOverBoughtOverSold.efs  

File Name: MAOverBoughtOverSold.efs

Description:
Moving Average (default of 13) of an Over Bought/Over Sold indicator:

(((high-open) + (close-low))/ ((2*(high-low)))*100

Formula Parameters:

• nLength: Default is 13 for moving average

Notes:
NA

 

Download File:
MAOverBoughtOverSold.efs


EFS Code:

/*****************************************************************
Provided By : eSignal. (c) Copyright 2003
*****************************************************************/

addBand(80, PS_SOLID, 2, Color.black, "upper")
addBand(20, PS_SOLID, 2, Color.black, "lower")

function preMain() {
    setStudyTitle("Over Bought / Over Sold");
    setCursorLabelName("OB/OS", 0);
    setCursorLabelName("OB/OS MA", 1);
 
    setDefaultBarFgColor(Color.blue, 0);
    setDefaultBarFgColor(Color.red, 1);
    setDefaultBarThickness(1, 0);
    setDefaultBarThickness(2, 1);
    
    setStudyMax(100);
    setStudyMin(0);
}

var aMA = null;
var vret = null;
 
function main(nMALength, nOBOSLength) {
    if (nMALength == null) nMALength = 13;
    if (nOBOSLength == null) nOBOSLength = 1;
    
    if (aMA == null) aMA = new Array(nMALength);
 
    var o = open(0, -nOBOSLength);
    if (o == null) return;
    var h = high(0, -nOBOSLength);
    if (h == null) return;
    var l = low(0, -nOBOSLength);
    if (l == null) return;
    var c = close(0, -nOBOSLength);
    if (c == null) return;

    var sumO = 0;
    var sumH = 0;
    var sumL = 0;
    var sumC = 0;
    for (i = 0; i < nOBOSLength; ++i) {
        sumO += o[i];
        sumH += h[i];
        sumL += l[i];
        sumC += c[i];
    }
    sumO /= nOBOSLength;
    sumH /= nOBOSLength;
    sumL /= nOBOSLength;
    sumC /= nOBOSLength;
    
    vret = (((sumH-sumO)+(sumC-sumL))/(2*(sumH-sumL)))*100
    
    if (getBarState() == BARSTATE_NEWBAR) {
        aMA.pop();
        aMA.unshift(vret)
    } else {
        aMA[0] = vret;
    }
    
    var dSum = 0;
    if (aMA[nMALength-1] != null) {
        for (i = 0; i < nMALength; ++i) {
            dSum += aMA[i];
        }
        var vMA = dSum/nMALength;
    } else {
        return;
    }
    
    return new Array(vret, vMA);
}