Ease of Movement (EOM)

EOM.efs  
EFSLibrary - Discussion Board  

File Name: EOM.efs

Description:
Ease of Movement (EOM)

Formula Parameters:

Notes:

This indicator gauges the magnitude of price and volume movement.
The indicator returns both positive and negative values where a positive value means the market has moved up from yesterday's value and a negative value means the market has moved down. A large positive or large negative value indicates a large move in price and/or lighter volume. A small positive or small negative value indicates a small move in price and/or heavier volume.
A positive or negative numeric value. A positive value means the market has moved up from yesterday's value, whereas, a negative value means the market has moved down.

Download File:
EOM.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:        
    Ease of Movement (EOM)
    
Version:            1.0  05/27/2009
 
Formula Parameters:                     Default:
    
Notes:
    This indicator gauges the magnitude of price and volume movement. 
    The indicator returns both positive and negative values where a 
    positive value means the market has moved up from yesterday's value 
    and a negative value means the market has moved down. A large positive 
    or large negative value indicates a large move in price and/or lighter 
    volume. A small positive or small negative value indicates a small move 
    in price and/or heavier volume.
    A positive or negative numeric value. A positive value means the market 
    has moved up from yesterday's value, whereas, a negative value means the 
    market has moved down. 
    
**********************************/
var bInit = false;

function preMain() {
    setStudyTitle("Ease of Movement");
    setCursorLabelName("EOM", 0);
    setDefaultBarFgColor(Color.red,0);
    addBand(0, PS_SOLID, 1, Color.blue);
    setPlotType(PLOTTYPE_HISTOGRAM);
}

var xEOM = null;

function main() {
var nBarState = getBarState();
var nEOM = 0;
    if (bInit == false) {
        xEOM = efsInternal("Calc_EOM");
        bInit = true;
    }
    nEOM = xEOM.getValue(0);
    if (nEOM == null) return;
    return nEOM;
}

var bSecondInit = false;
var xHigh = null;
var xLow = null;
var xVolume = null;
var xHalfRange = null;
var xMidpointMove = null;

function Calc_EOM() {
var nRes = 0;
var nHigh = 0;
var nLow = 0;
var nVolume = 0;
var nBoxRatio = 0;
var nHalfRange = 0;
var nMidpointMove = 0;
var nMidpointMove_1 = 0;
    if (bSecondInit == false) {
        xHigh = high();
        xLow = low();
        xVolume = volume();
        xHalfRange = efsInternal("Calc_HalfRange");
        xMidpointMove = mom(1, xHalfRange); 
        bSecondInit = true;
    }
    nHigh = xHigh.getValue(0);
    nLow = xLow.getValue(0);
    nVolume = xVolume.getValue(0);
    nHalfRange = xHalfRange.getValue(0);
    nMidpointMove = xMidpointMove.getValue(0);
    nMidpointMove_1 =  xMidpointMove.getValue(-1);
    if (nMidpointMove_1 == null) return;
    if ((nHigh - nLow) != 0) {
        nBoxRatio = nVolume / (nHigh - nLow);
    } else {
        nBoxRatio = 0;
    }    
    if (nBoxRatio != 0) {
        nRes = 1000000 * ((nMidpointMove - nMidpointMove_1) / nBoxRatio);
    } else {
        nRes = 0;
    }
    return nRes;
}

function Calc_HalfRange() {
var nRes = 0;
    nRes = (high(0) - low(0)) * 0.5;
    return nRes;
}