Can't get the BidAskVolume.efs program to work.

[WantToLearn]

I downloaded Jason K programs from eSignal, but could not get them to work. The programs are:

BidAskVolume.efs
BidAskVolumeRatio.efs

When I save them to my computer and download them to a chart, all I get is a blank, no volumes of any kind show up. What am I doing wrong?

The BidAskVolume.efs program is below:

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

function preMain() {
    setStudyTitle("Bid\/Ask Volume");
    setCursorLabelName("Bid Vol", 0);
    setCursorLabelName("Inside Vol", 1);
    setCursorLabelName("Ask Vol", 2);
    setDefaultBarFgColor(Color.blue, 0);
    setDefaultBarFgColor(Color.lime, 1);
    setDefaultBarFgColor(Color.red, 2);
    setDefaultBarThickness(8, 0);
    setDefaultBarThickness(6, 1);
    setDefaultBarThickness(4, 2);
    setPlotType(PLOTTYPE_HISTOGRAM, 0);
    setPlotType(PLOTTYPE_HISTOGRAM, 1);
    setPlotType(PLOTTYPE_HISTOGRAM, 2);
}

var nBidVol = 0;
var nInsideVol = 0;
var nAskVol = 0;
var vVol = null;
var bPrimed = false;

function main() {
    if (getCurrentBarIndex() < 0) return;

    var nState = getBarState();    
    if (nState == BARSTATE_NEWBAR) {
        nBidVol = 0;
        nInsideVol = 0;
        nAskVol = 0;
        vVol = 0;
    }
    
    var vPrevVol = null;
    if (vVol != null && bPrimed == true) vPrevVol = vVol;
    
    var nAsk = getMostRecentAsk();
    var nBid = getMostRecentBid();
    var vClose = close();
    vVol = volume();
    
    var vTradeVol = vVol - vPrevVol;
    
    if (bPrimed == false && vVol != null) {
        bPrimed = true;
        return;
    } else {
        if (vClose <= nBid) {
            nBidVol += vTradeVol;
        } else if (vClose >= nAsk) {
            nAskVol += vTradeVol;
        } else {
            nInsideVol += vTradeVol;
        }
    }
    
    return new Array(nBidVol, nInsideVol, nAskVol);
} 

[ACM]

Re: Can't get the BidAskVolume.efs program to work.

WantToLearn
See the Notes of this and this article in the EFS KnowledgeBase
Alex

Originally posted by WantToLearn
I downloaded Jason K programs from eSignal, but could not get them to work. The programs are:

BidAskVolume.efs
BidAskVolumeRatio.efs

When I save them to my computer and download them to a chart, all I get is a blank, no volumes of any kind show up. What am I doing wrong?

The BidAskVolume.efs program is below:

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

function preMain() {
    setStudyTitle("Bid\/Ask Volume");
    setCursorLabelName("Bid Vol", 0);
    setCursorLabelName("Inside Vol", 1);
    setCursorLabelName("Ask Vol", 2);
    setDefaultBarFgColor(Color.blue, 0);
    setDefaultBarFgColor(Color.lime, 1);
    setDefaultBarFgColor(Color.red, 2);
    setDefaultBarThickness(8, 0);
    setDefaultBarThickness(6, 1);
    setDefaultBarThickness(4, 2);
    setPlotType(PLOTTYPE_HISTOGRAM, 0);
    setPlotType(PLOTTYPE_HISTOGRAM, 1);
    setPlotType(PLOTTYPE_HISTOGRAM, 2);
}

var nBidVol = 0;
var nInsideVol = 0;
var nAskVol = 0;
var vVol = null;
var bPrimed = false;

function main() {
    if (getCurrentBarIndex() < 0) return;

    var nState = getBarState();    
    if (nState == BARSTATE_NEWBAR) {
        nBidVol = 0;
        nInsideVol = 0;
        nAskVol = 0;
        vVol = 0;
    }
    
    var vPrevVol = null;
    if (vVol != null && bPrimed == true) vPrevVol = vVol;
    
    var nAsk = getMostRecentAsk();
    var nBid = getMostRecentBid();
    var vClose = close();
    vVol = volume();
    
    var vTradeVol = vVol - vPrevVol;
    
    if (bPrimed == false && vVol != null) {
        bPrimed = true;
        return;
    } else {
        if (vClose <= nBid) {
            nBidVol += vTradeVol;
        } else if (vClose >= nAsk) {
            nAskVol += vTradeVol;
        } else {
            nInsideVol += vTradeVol;
        }
    }
    
    return new Array(nBidVol, nInsideVol, nAskVol);
}