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SimpleMovingAverage

Summary

The simple moving average is an average of price within n previous periods.

Remarks

The simple moving average is the unweighted mean of the previous n price data, where n is the period used for the calculation and price data the price data source, e.g. The closing price.

Signature 

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public abstract interface SimpleMovingAverage

Namespace

cAlgo.API.Indicators

Examples

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        [Indicator]
        public class SimpleMovingAverageExample : Indicator
        {
            [Parameter]
            public DataSeries Source { get; set; }
            [Parameter(DefaultValue = 14, MinValue = 2)]
            public int Periods { get; set; }
            [Output("Result", Color = Colors.Orange)]
            public IndicatorDataSeries Result { get; set; }
            private SimpleMovingAverage _simpleMovingAverage;
            protected override void Initialize()
            {
                _simpleMovingAverage = Indicators.SimpleMovingAverage(Source, Periods);
            }
            public override void Calculate(int index)
            {
                var average = _simpleMovingAverage.Result[index];
                double sum = 0;
                for (var period = 0; period < Periods; period++)
                {
                    sum += Math.Pow(Source[index - period] - average, 2.0);
                }
                Result[index] = Math.Sqrt(sum / Periods);
            }
        }

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 using cAlgo.API;
 using cAlgo.API.Indicators;
 namespace cAlgo.Robots
 {
     // This sample cBot shows how to use the Simple Moving Average indicator
     [Robot(TimeZone = TimeZones.UTC, AccessRights = AccessRights.None)]
     public class SimpleMovingAverageSample : Robot
     {
         private double _volumeInUnits;
         private SimpleMovingAverage _fastSimpleMovingAverage;
         private SimpleMovingAverage _slowSimpleMovingAverage;
         [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);
             _fastSimpleMovingAverage = Indicators.SimpleMovingAverage(FastMaSource, FastMaPeriod);
             _slowSimpleMovingAverage = Indicators.SimpleMovingAverage(SlowMaSource, SlowMaPeriod);
         }
         protected override void OnBar()
         {
             if (_fastSimpleMovingAverage.Result.HasCrossedAbove(_slowSimpleMovingAverage.Result, 0))
             {
                 ClosePositions(TradeType.Sell);
                 ExecuteMarketOrder(TradeType.Buy, SymbolName, _volumeInUnits, Label, StopLossInPips, TakeProfitInPips);
             }
             else if (_fastSimpleMovingAverage.Result.HasCrossedBelow(_slowSimpleMovingAverage.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);
             }
         }
     }
 }

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 import clr
 clr.AddReference("cAlgo.API")
 from cAlgo.API import *
 import math
 class Test():    
     def initialize(self):
         # Source and Periods are parameters defined in C# file of indicator
         self.simpleMovingAverage = api.Indicators.SimpleMovingAverage(api.Source, api.Periods)
     def calculate(self, index):
         average = self.simpleMovingAverage.Result[index]
         sumResult = 0
         for period in range(api.Periods):
             sumResult += pow(api.Source[index - period] - average, 2.0)
         # Result is an indicator output defined in C# file of indicator
         api.Result[index] = math.sqrt(sumResult / api.Periods)

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 import clr
 clr.AddReference("cAlgo.API")
 # Import cAlgo API types
 from cAlgo.API import *
 # Import trading wrapper functions
 from robot_wrapper import *
 class SimpleMovingAverageSample():
     def on_start(self):
         self.volumeInUnits = api.Symbol.QuantityToVolumeInUnits(api.VolumeInLots)
         self.fastSimpleMovingAverage = api.Indicators.SimpleMovingAverage(api.FastMaSource, api.FastMaPeriod)
         self.slowSimpleMovingAverage = api.Indicators.SimpleMovingAverage(api.SlowMaSource, api.SlowMaPeriod)
         self.fastSimpleMovingAverage.Result.Line.Color = Color.Blue;
         self.slowSimpleMovingAverage.Result.Line.Color = Color.Red;
     def on_bar_closed(self):
         if Functions.HasCrossedAbove(self.fastSimpleMovingAverage.Result, self.slowSimpleMovingAverage.Result, 0):
             self.close_positions(TradeType.Sell)
             api.ExecuteMarketOrder(TradeType.Buy, api.SymbolName, self.volumeInUnits, api.Label, api.StopLossInPips, api.TakeProfitInPips)
         elif Functions.HasCrossedBelow(self.fastSimpleMovingAverage.Result, self.slowSimpleMovingAverage.Result, 0):
             self.close_positions(TradeType.Buy)
             api.ExecuteMarketOrder(TradeType.Sell, api.SymbolName, self.volumeInUnits, api.Label, api.StopLossInPips, api.TakeProfitInPips)
     def get_bot_positions(self):
         return api.Positions.FindAll(api.Label)
     def close_positions(self, tradeType):
         for position in self.get_bot_positions():
             if position.TradeType != tradeType:
                 continue
             api.ClosePosition(position)