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Basic Indicator Issues

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Basic Indicator Issues

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  #1 (permalink)
Experience: Intermediate
Platform: NinjaTrader
Trading: Piano
Posts: 2 since Mar 2013
Thanks: 1 given, 0 received

Hi, I have been trying to create a simple indicator that takes the amount of time in a period before the latest low and a high and charts it. Basically it is ((period - bars since high/low)/period)*100. I am having trouble getting it to plot, it just shows up as flat line at 0. I also tried to print the values but I get nothing.

I've included the code below but I also have a question about DataSeries. Do I need to create a DataSeries for the indicator values to be stored in? and if not what types of indicators do you use it for? And lastly I am determining which bar out of the period contains the high or low through a for loop. Is there a better method to finding those bar index's? Cheers and thanks in advance.

// Wizard generated variables
private int numPeriod = 1; // Default setting for NumPeriod

// User defined variables (add any user defined variables below)
private double outputHigh;
private double outputLow;
private int highIndex;
private int lowIndex;
private double highest;
private double lowest;

protected override void Initialize()
Add(new Plot(Color.FromKnownColor(KnownColor.LimeGreen), PlotStyle.Line, "HighOutput"));
Add(new Plot(Color.FromKnownColor(KnownColor.Maroon), PlotStyle.Line, "LowOutput"));
Overlay = false;
CalculateOnBarClose = false;

protected override void OnBarUpdate()
// Use this method for calculating your indicator values. Assign a value to each
// plot below by replacing 'Close[0]' with your own formula.

if (CurrentBar<numPeriod)

// first needs to find how many bars since high and low and store them in their respective variables.

//Could do a for loop to determine index position of high and low

//Assumes current bar has high/low

for (int i=1; i<numPeriod; i++)
if (Bars.GetDayBar(i).High > highest)

if (Bars.GetDayBar(i).Low<lowest)


//store in respective output variables

//set plots



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  #3 (permalink)
Market Wizard
Berlin, Europe
Experience: Advanced
Platform: NinjaTrader, MultiCharts
Broker: Interactive Brokers
Trading: Keyboard
Fat Tails's Avatar
Posts: 9,855 since Mar 2010
Thanks: 4,238 given, 26,728 received

You would need to attach your entire indicator file. This is too difficult to read and noone can test it for bugs.

To attach files you will probably need a few more posts (I think it was 5 posts that are required).

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  #4 (permalink)
Site Administrator
Swing Trader
Data Scientist & DevOps
Manta, Ecuador
Experience: Advanced
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Trading: Emini Futures
Big Mike's Avatar
Posts: 49,779 since Jun 2009
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Fat Tails View Post
To attach files you will probably need a few more posts (I think it was 5 posts that are required).

Everyone can attach files from post 1. You can't embed URL's with < 5 posts.


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