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Bill Williams Market Facilitation Index for NinjaTrader
Rating:
3 / 5 (Votes 3)
Tags:
oscillator, ninjatrader
The Market Facilitation Index, developed by Dr. Bill Williams, reproduces volume and price characteristics. In order to interpret this indicator you shouldn’t care about absolute values but rather its changes.
For a detailed description see here
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Submitted
by meralim about 14 years ago
Indicator / Formula
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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 | #region Using declarationsusing System;using System.ComponentModel;using System.Diagnostics;using System.Drawing;using System.Drawing.Drawing2D;using System.Xml.Serialization;using NinjaTrader.Cbi;using NinjaTrader.Data;using NinjaTrader.Gui.Chart;#endregion// This namespace holds all indicators and is required. Do not change it.namespace NinjaTrader.Indicator{ /// <summary> /// Bill Williams Market Facilitation Index, taken from http://ta.mql4.com/indicators/bills/market_facilitation_index /// </summary> [Description("Bill Williams Market Facilitation Index")] public class BwMfi : Indicator { #region Variables // Wizard generated variables private double range = 1; // Default setting for Range // User defined variables (add any user defined variables below) #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() { Add(new Plot(Color.FromKnownColor(KnownColor.Orange), PlotStyle.Bar, "MFI")); CalculateOnBarClose = true; Overlay = false; PriceTypeSupported = false; } /// <summary> /// Called on each bar update event (incoming tick) /// </summary> 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(Volume[0]>0) MFI.Set(Range*(High[0]-Low[0])/Volume[0]); } public override string ToString(){ return "BwMfi"; } #region Properties [Browsable(false)] // this line prevents the data series from being displayed in the indicator properties dialog, do not remove [XmlIgnore()] // this line ensures that the indicator can be saved/recovered as part of a chart template, do not remove public DataSeries MFI { get { return Values[0]; } } [Description("")] [Category("Parameters")] public double Range { get { return range; } set { range = Math.Max(0, value); } } #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 BwMfi[] cacheBwMfi = null; private static BwMfi checkBwMfi = new BwMfi(); /// <summary> /// Bill Williams Market Facilitation Index /// </summary> /// <returns></returns> public BwMfi BwMfi(double range) { return BwMfi(Input, range); } /// <summary> /// Bill Williams Market Facilitation Index /// </summary> /// <returns></returns> public BwMfi BwMfi(Data.IDataSeries input, double range) { checkBwMfi.Range = range; range = checkBwMfi.Range; if (cacheBwMfi != null) for (int idx = 0; idx < cacheBwMfi.Length; idx++) if (Math.Abs(cacheBwMfi[idx].Range - range) <= double.Epsilon && cacheBwMfi[idx].EqualsInput(input)) return cacheBwMfi[idx]; BwMfi indicator = new BwMfi(); indicator.BarsRequired = BarsRequired; indicator.CalculateOnBarClose = CalculateOnBarClose; indicator.Input = input; indicator.Range = range; indicator.SetUp(); BwMfi[] tmp = new BwMfi[cacheBwMfi == null ? 1 : cacheBwMfi.Length + 1]; if (cacheBwMfi != null) cacheBwMfi.CopyTo(tmp, 0); tmp[tmp.Length - 1] = indicator; cacheBwMfi = tmp; Indicators.Add(indicator); 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> /// Bill Williams Market Facilitation Index /// </summary> /// <returns></returns> [Gui.Design.WizardCondition("Indicator")] public Indicator.BwMfi BwMfi(double range) { return _indicator.BwMfi(Input, range); } /// <summary> /// Bill Williams Market Facilitation Index /// </summary> /// <returns></returns> public Indicator.BwMfi BwMfi(Data.IDataSeries input, double range) { return _indicator.BwMfi(input, range); } }}// This namespace holds all strategies and is required. Do not change it.namespace NinjaTrader.Strategy{ public partial class Strategy : StrategyBase { /// <summary> /// Bill Williams Market Facilitation Index /// </summary> /// <returns></returns> [Gui.Design.WizardCondition("Indicator")] public Indicator.BwMfi BwMfi(double range) { return _indicator.BwMfi(Input, range); } /// <summary> /// Bill Williams Market Facilitation Index /// </summary> /// <returns></returns> public Indicator.BwMfi BwMfi(Data.IDataSeries input, double range) { 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.BwMfi(input, range); } }}#endregion |
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