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WilliamsPctR

Summary

Williams %R is an effective momentum oscillator and was described by Larry Williams for the first time in 1973.

Remarks

It shows the relationship of the close relative to the high-low range over a set period of time.

Signature

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public abstract interface WilliamsPctR

Namespace

cAlgo.API.Indicators

Properties

Name Description
Result { get; } Gets the resulting time series of the Williams PctR indicator calculation.

Examples

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 private WilliamsPctR _result;
 protected override void Initialize()
 {
     _result = Indicators.WilliamsPctR(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 Williams % R indicator
     [Robot(TimeZone = TimeZones.UTC, AccessRights = AccessRights.None)]
     public class WilliamsPctRSample : Robot
     {
         private double _volumeInUnits;
         private WilliamsPctR _williamsPctR;
         [Parameter("Volume (Lots)", DefaultValue = 0.01)]
         public double VolumeInLots { get; set; }
         [Parameter("Stop Loss (Pips)", DefaultValue = 10)]
         public double StopLossInPips { get; set; }
         [Parameter("Take Profit (Pips)", DefaultValue = 10)]
         public double TakeProfitInPips { get; set; }
         [Parameter("Label", DefaultValue = "Sample")]
         public string Label { get; set; }
         public Position[] BotPositions
         {
             get
             {
                 return Positions.FindAll(Label);
             }
         }
         protected override void OnStart()
         {
             _volumeInUnits = Symbol.QuantityToVolumeInUnits(VolumeInLots);
             _williamsPctR = Indicators.WilliamsPctR(14);
         }
         protected override void OnBar()
         {
             if (_williamsPctR.Result.Last(1) > -20 && _williamsPctR.Result.Last(2) < -20)
             {
                 ClosePositions(TradeType.Buy);
                 ExecuteMarketOrder(TradeType.Sell, SymbolName, _volumeInUnits, Label, StopLossInPips, TakeProfitInPips);
             }
             else if (_williamsPctR.Result.Last(1) < -80 && _williamsPctR.Result.Last(2) > -80)
             {
                 ClosePositions(TradeType.Sell);
                 ExecuteMarketOrder(TradeType.Buy, SymbolName, _volumeInUnits, Label, StopLossInPips, TakeProfitInPips);
             }
         }
         private void ClosePositions(TradeType tradeType)
         {
             foreach (var position in BotPositions)
             {
                 if (position.TradeType != tradeType) continue;
                 ClosePosition(position);
             }
         }
     }
 }

Last update: July 1, 2022

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