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Bid-Ask Time

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    Bid-Ask Time

    Anyone whose familiar with coding in Ninjatrader, I'm looking to code this indicator. I've noticed that the current tick trend is pretty easily figured out. If price keeps hanging at the bid or ask, it signifies that price is looking to take out that side, and with each new bar creation, it continually is one sided. And its especially evident in slow markets.

    So the time spent hanging at the Bid of Ask should be able to be logged, and obviously this can't be back tested, since its "real-time" dependent to work. So with each new tick bar creation price tends to either hang at the high or low of each tick bar, based on the implied direction headed.

    Not sure how the platform signifies what the current bid or ask is in code form.


    Chris

    #2
    //
    // Copyright (C) 2007, NinjaTrader LLC <www.ninjatrader.com>.
    // NinjaTrader reserves the right to modify or overwrite this NinjaScript component with each release.
    //

    #region Using declarations
    using System;
    using System.Diagnostics;
    using System.Drawing;
    using System.Drawing.Drawing2D;
    using System.ComponentModel;
    using System.Xml.Serialization;
    using NinjaTrader.Data;
    using NinjaTrader.Gui.Chart;
    #endregion

    // This namespace holds all indicators and is required. Do not change it.
    namespace NinjaTrader.Indicator
    {
    /// <summary>
    /// The Bar Timer displays the remaining time of a minute based bar.
    /// </summary>
    [Description("Displays remaining time of minute based bar")]
    public class BarTimer : Indicator
    {
    #region Variables
    private string errorDisabled = "Bar timer disabled since either you are disconnected or current time is outside session time or chart end date";
    private string errorIntraday = "Bar timer only works on intraday time based intervals";
    private DateTime lastTimePlot = Cbi.Globals.MinDate;
    private float noTickTextWidth = 0;
    private float noTickTextHeight = 0;
    private float noConTextWidth = 0;
    private float noConTextHeight = 0;
    private StringFormat stringFormat = new StringFormat();
    private SolidBrush textBrush = new SolidBrush(Color.Black);
    private Font textFont = new Font("Arial", 30);
    private float textWidth = 0;
    private float textHeight = 0;
    private System.Windows.Forms.Timer timer;
    #endregion

    /// <summary>
    /// This method is used to configure the indicator and is called once before any bar data is loaded.
    /// </summary>
    protected override void Initialize()
    {
    ChartOnly = true;
    Overlay = true;
    CalculateOnBarClose = false;
    }

    /// <summary>
    /// </summary>
    protected override void OnBarUpdate()
    {
    if (timer == null)
    {
    if (DisplayTime())
    {
    timer = new System.Windows.Forms.Timer();
    timer.Interval = 100;
    timer.Tick += new EventHandler(OnTimerTick);
    timer.Enabled = true;
    }
    }
    }

    #region Properties
    #endregion

    #region Miscellaneous
    private bool DisplayTime()
    {
    if (ChartControl != null
    && Bars != null
    && Bars.Count > 0
    && Bars.MarketData != null
    && Bars.MarketData.Connection.PriceStatus == Cbi.ConnectionStatus.Connected
    && Bars.Session.InSession(Now, Bars.Period, true, Bars.BarsType))
    return true;

    return false;
    }

    /// <summary>
    /// Overload this method to handle the termination of an indicator. Use this method to dispose of any resources vs overloading the Dispose() method.
    /// </summary>
    protected override void OnTermination()
    {
    textBrush.Dispose();
    textFont.Dispose();
    stringFormat.Dispose();

    if (timer != null)
    {
    timer.Enabled = false;
    timer = null;
    }
    }

    private DateTime Now
    {
    get
    {
    DateTime now = (Bars.MarketData.Connection.Options.Provider == Cbi.Provider.Replay ? Bars.MarketData.Connection.Now : DateTime.Now);

    if (now.Millisecond > 0)
    now = Cbi.Globals.MinDate.AddSeconds((long) System.Math.Floor(now.Subtract(Cbi.Globals.MinDate ).TotalSeconds));

    return now;
    }
    }

    private void OnTimerTick(object sender, EventArgs e)
    {
    if (DateTime.Now.Subtract(lastTimePlot).Seconds >= 1 && DisplayTime())
    {
    ChartControl.ChartPanel.Invalidate();
    lastTimePlot = DateTime.Now;
    }
    }

    public override void Plot(Graphics graphics, Rectangle bounds, double min, double max)
    {
    if (Bars == null)
    return;

    // Recalculate the proper string size should the chart control object font and axis color change
    if (textBrush.Color != ChartControl.AxisColor || textFont != ChartControl.Font)
    {
    textBrush.Color = ChartControl.AxisColor;
    textFont = (Font) ChartControl.Font.Clone();

    SizeF size = graphics.MeasureString("Time remaining = -00:-00:-00", textFont);
    textWidth = size.Width + 5;
    textHeight = size.Height + 5;

    SizeF noTickSize = graphics.MeasureString(errorIntraday, textFont);
    noTickTextWidth = noTickSize.Width + 5;
    noTickTextHeight = noTickSize.Height + 5;

    SizeF noConSize = graphics.MeasureString(errorDisabled, textFont);
    noConTextWidth = noConSize.Width + 5;
    noConTextHeight = noConSize.Height + 5;
    }

    // Plot the time remaining message to the lower right hand corner of the chart
    if (Bars.Period.Id == PeriodType.Minute || Bars.Period.Id == PeriodType.Second)
    {
    if (DisplayTime())
    {
    if (timer != null && !timer.Enabled)
    timer.Enabled = true;
    TimeSpan barTimeLeft = Bars.GetTime(Bars.Count - 1).Subtract(Now);
    string timeLeft = (barTimeLeft.Ticks < 0 ? "00:00:00" : barTimeLeft.Hours.ToString("00") + ":" + barTimeLeft.Minutes.ToString("00") + ":" + barTimeLeft.Seconds.ToString("00"));
    graphics.DrawString("Time remaining = " + timeLeft, ChartControl.Font, textBrush, bounds.X + bounds.Width - textWidth, bounds.Y + bounds.Height - textHeight, stringFormat);
    }
    else
    graphics.DrawString(errorDisabled, ChartControl.Font, textBrush, bounds.X + bounds.Width - noConTextWidth, bounds.Y + bounds.Height - noConTextHeight, stringFormat);
    }
    else
    {
    graphics.DrawString(errorIntraday, ChartControl.Font, textBrush, bounds.X + bounds.Width - noTickTextWidth, bounds.Y + bounds.Height - noTickTextHeight, stringFormat);
    if (timer != null)
    timer.Enabled = false;
    }
    }
    #endregion
    }
    }

    #region NinjaScript generated code. Neither change nor remove.
    // This namespace holds all indicators and is required. Do not change it.
    namespace NinjaTrader.Indicator
    {
    public partial class Indicator : IndicatorBase
    {
    private BarTimer[] cacheBarTimer = null;

    private static BarTimer checkBarTimer = new BarTimer();

    /// <summary>
    /// Displays remaining time of minute based bar
    /// </summary>
    /// <returns></returns>
    public BarTimer BarTimer()
    {
    return BarTimer(Input);
    }

    /// <summary>
    /// Displays remaining time of minute based bar
    /// </summary>
    /// <returns></returns>
    public BarTimer BarTimer(Data.IDataSeries input)
    {
    if (cacheBarTimer != null)
    for (int idx = 0; idx < cacheBarTimer.Length; idx++)
    if (cacheBarTimer[idx].EqualsInput(input))
    return cacheBarTimer[idx];

    lock (checkBarTimer)
    {
    if (cacheBarTimer != null)
    for (int idx = 0; idx < cacheBarTimer.Length; idx++)
    if (cacheBarTimer[idx].EqualsInput(input))
    return cacheBarTimer[idx];

    BarTimer indicator = new BarTimer();
    indicator.BarsRequired = BarsRequired;
    indicator.CalculateOnBarClose = CalculateOnBarClose;
    #if NT7
    indicator.ForceMaximumBarsLookBack256 = ForceMaximumBarsLookBack256;
    indicator.MaximumBarsLookBack = MaximumBarsLookBack;
    #endif
    indicator.Input = input;
    Indicators.Add(indicator);
    indicator.SetUp();

    BarTimer[] tmp = new BarTimer[cacheBarTimer == null ? 1 : cacheBarTimer.Length + 1];
    if (cacheBarTimer != null)
    cacheBarTimer.CopyTo(tmp, 0);
    tmp[tmp.Length - 1] = indicator;
    cacheBarTimer = tmp;
    return indicator;
    }
    }
    }
    }

    // This namespace holds all market analyzer column definitions and is required. Do not change it.
    namespace NinjaTrader.MarketAnalyzer
    {
    public partial class Column : ColumnBase
    {
    /// <summary>
    /// Displays remaining time of minute based bar
    /// </summary>
    /// <returns></returns>
    [Gui.Design.WizardCondition("Indicator")]
    public Indicator.BarTimer BarTimer()
    {
    return _indicator.BarTimer(Input);
    }

    /// <summary>
    /// Displays remaining time of minute based bar
    /// </summary>
    /// <returns></returns>
    public Indicator.BarTimer BarTimer(Data.IDataSeries input)
    {
    return _indicator.BarTimer(input);
    }
    }
    }

    // This namespace holds all strategies and is required. Do not change it.
    namespace NinjaTrader.Strategy
    {
    public partial class Strategy : StrategyBase
    {
    /// <summary>
    /// Displays remaining time of minute based bar
    /// </summary>
    /// <returns></returns>
    [Gui.Design.WizardCondition("Indicator")]
    public Indicator.BarTimer BarTimer()
    {
    return _indicator.BarTimer(Input);
    }

    /// <summary>
    /// Displays remaining time of minute based bar
    /// </summary>
    /// <returns></returns>
    public Indicator.BarTimer BarTimer(Data.IDataSeries input)
    {
    if (InInitialize && input == null)
    throw new ArgumentException("You only can access an indicator with the default input/bar series from within the 'Initialize()' method");

    return _indicator.BarTimer(input);
    }
    }
    }
    #endregion

    Comment


      #3
      Bar Timer indicator is the closest code that I can modify. It only works on minute charts, how would I modify it to work on 'tick' charts.

      Comment


        #4
        Hello,

        Thank you for the question.

        I would be unable to say if that would be possible to re write this for Tick charts, Tick charts are not time based so there would be no set end time. You could potentially get the length it takes to close a bar, but I do not know of a way you would estimate an end time based on that.

        You could also review the TickCounter indicator as this is indented to be used with TIck charts, potentially you could modify that instead to your needs?

        Please let me know if I may be of additional assistance.
        JesseNinjaTrader Customer Service

        Comment

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