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WellesWilderSmoothing

Summary

The Welles Wilder's Smoothing indicator is an exponential moving average, but it has different alpha ration. As a result it responds to price changes slower.

Remarks

Usage is the same as EMA usage. Please mind the different in alpha ration.

Signature 

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public abstract interface WellesWilderSmoothing

Namespace

cAlgo.API.Indicators

Examples

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 private WellesWilderSmoothing _result;
 protected override void Initialize()
 {
     _result = Indicators.WellesWilderSmoothing(MarketSeries.Close, 14);
 }
 public override void Calculate(int index)
 {
     double result = _result.Result[index];
 }

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 using cAlgo.API;
 using cAlgo.API.Indicators;
 namespace cAlgo.Robots
 {
     // This sample cBot shows how to use the Welles Wilder Smoothing indicator
     [Robot(TimeZone = TimeZones.UTC, AccessRights = AccessRights.None)]
     public class WellesWilderSmoothingSample : Robot
     {
         private double _volumeInUnits;
         private WellesWilderSmoothing _fastWellesWilderSmoothing;
         private WellesWilderSmoothing _slowWellesWilderSmoothing;
         [Parameter("Source", Group = "Fast MA")]
         public DataSeries FastMaSource { get; set; }
         [Parameter("Period", DefaultValue = 9, Group = "Fast MA")]
         public int FastMaPeriod { get; set; }
         [Parameter("Source", Group = "Slow MA")]
         public DataSeries SlowMaSource { get; set; }
         [Parameter("Period", DefaultValue = 20, Group = "Slow MA")]
         public int SlowMaPeriod { get; set; }
         [Parameter("Volume (Lots)", DefaultValue = 0.01, Group = "Trade")]
         public double VolumeInLots { get; set; }
         [Parameter("Stop Loss (Pips)", DefaultValue = 10, Group = "Trade")]
         public double StopLossInPips { get; set; }
         [Parameter("Take Profit (Pips)", DefaultValue = 10, Group = "Trade")]
         public double TakeProfitInPips { get; set; }
         [Parameter("Label", DefaultValue = "Sample", Group = "Trade")]
         public string Label { get; set; }
         public Position[] BotPositions
         {
             get
             {
                 return Positions.FindAll(Label);
             }
         }
         protected override void OnStart()
         {
             _volumeInUnits = Symbol.QuantityToVolumeInUnits(VolumeInLots);
             _fastWellesWilderSmoothing = Indicators.WellesWilderSmoothing(FastMaSource, FastMaPeriod);
             _slowWellesWilderSmoothing = Indicators.WellesWilderSmoothing(SlowMaSource, SlowMaPeriod);
         }
         protected override void OnBar()
         {
             if (_fastWellesWilderSmoothing.Result.HasCrossedAbove(_slowWellesWilderSmoothing.Result, 0))
             {
                 ClosePositions(TradeType.Sell);
                 ExecuteMarketOrder(TradeType.Buy, SymbolName, _volumeInUnits, Label, StopLossInPips, TakeProfitInPips);
             }
             else if (_fastWellesWilderSmoothing.Result.HasCrossedBelow(_slowWellesWilderSmoothing.Result, 0))
             {
                 ClosePositions(TradeType.Buy);
                 ExecuteMarketOrder(TradeType.Sell, SymbolName, _volumeInUnits, Label, StopLossInPips, TakeProfitInPips);
             }
         }
         private void ClosePositions(TradeType tradeType)
         {
             foreach (var position in BotPositions)
             {
                 if (position.TradeType != tradeType) continue;
                 ClosePosition(position);
             }
         }
     }
 }
Last update: June 1, 2023