/// <summary> /// Creates a new Stochastics Indicator from the specified periods. /// </summary> /// <param name="name">The name of this indicator.</param> /// <param name="period">The period given to calculate the Fast %K</param> /// <param name="kPeriod">The K period given to calculated the Slow %K</param> /// <param name="dPeriod">The D period given to calculated the Slow %D</param> public Stochastic(string name, int period, int kPeriod, int dPeriod) : base(name) { _maximum = new Maximum(name + "_Max", period); _mininum = new Minimum(name + "_Min", period); _sumFastK = new Sum(name + "_SumFastK", kPeriod); _sumSlowK = new Sum(name + "_SumD", dPeriod); FastStoch = new FunctionalIndicator <TradeBar>(name + "_FastStoch", input => ComputeFastStoch(period, input), fastStoch => _maximum.IsReady, () => _maximum.Reset() ); StochK = new FunctionalIndicator <TradeBar>(name + "_StochK", input => ComputeStochK(period, kPeriod, input), stochK => _maximum.IsReady, () => _maximum.Reset() ); StochD = new FunctionalIndicator <TradeBar>(name + "_StochD", input => ComputeStochD(period, kPeriod, dPeriod), stochD => _maximum.IsReady, () => _maximum.Reset() ); }
/// <summary> /// Creates a new IchimokuKinkoHyo indicator from the specific periods /// </summary> /// <param name="name">The name of this indicator</param> /// <param name="tenkanPeriod">The Tenkan-sen period</param> /// <param name="kijunPeriod">The Kijun-sen period</param> /// <param name="senkouAPeriod">The Senkou A Span period</param> /// <param name="senkouBPeriod">The Senkou B Span period</param> /// <param name="senkouADelayPeriod">The Senkou A Span delay</param> /// <param name="senkouBDelayPeriod">The Senkou B Span delay</param> public IchimokuKinkoHyo(string name, int tenkanPeriod = 9, int kijunPeriod = 26, int senkouAPeriod = 26, int senkouBPeriod = 52, int senkouADelayPeriod = 26, int senkouBDelayPeriod = 26) : base(name) { TenkanMaximum = new Maximum(name + "_TenkanMax", tenkanPeriod); TenkanMinimum = new Minimum(name + "_TenkanMin", tenkanPeriod); KijunMaximum = new Maximum(name + "_KijunMax", kijunPeriod); KijunMinimum = new Minimum(name + "_KijunMin", kijunPeriod); SenkouBMaximum = new Maximum(name + "_SenkouBMaximum", senkouBPeriod); SenkouBMinimum = new Minimum(name + "_SenkouBMinimum", senkouBPeriod); DelayedTenkanSenkouA = new Delay(name + "DelayedTenkan", senkouADelayPeriod); DelayedKijunSenkouA = new Delay(name + "DelayedKijun", senkouADelayPeriod); DelayedMaximumSenkouB = new Delay(name + "DelayedMax", senkouBDelayPeriod); DelayedMinimumSenkouB = new Delay(name + "DelayedMin", senkouBDelayPeriod); SenkouA = new FunctionalIndicator <TradeBar>( name + "_SenkouA", input => computeSenkouA(senkouAPeriod, input), senkouA => DelayedTenkanSenkouA.IsReady && DelayedKijunSenkouA.IsReady, () => { Tenkan.Reset(); Kijun.Reset(); }); SenkouB = new FunctionalIndicator <TradeBar>( name + "_SenkouB", input => computeSenkouB(senkouBPeriod, input), senkouA => DelayedMaximumSenkouB.IsReady && DelayedMinimumSenkouB.IsReady, () => { Tenkan.Reset(); Kijun.Reset(); }); Tenkan = new FunctionalIndicator <TradeBar>( name + "_Tenkan", input => ComputeTenkan(tenkanPeriod, input), tenkan => TenkanMaximum.IsReady && TenkanMinimum.IsReady, () => { TenkanMaximum.Reset(); TenkanMinimum.Reset(); }); Kijun = new FunctionalIndicator <TradeBar>( name + "_Kijun", input => ComputeKijun(kijunPeriod, input), kijun => KijunMaximum.IsReady && KijunMinimum.IsReady, () => { KijunMaximum.Reset(); KijunMinimum.Reset(); }); }
/// <summary> /// Creates a new AverageTrueRange indicator using the specified period and moving average type /// </summary> /// <param name="name">The name of this indicator</param> /// <param name="period">The smoothing period used to smooth the true range values</param> /// <param name="movingAverageType">The type of smoothing used to smooth the true range values</param> public AverageTrueRange(string name, int period, MovingAverageType movingAverageType = MovingAverageType.Wilders) : base(name) { _smoother = movingAverageType.AsIndicator(string.Format("{0}_{1}", name, movingAverageType), period); TradeBar previous = null; TrueRange = new FunctionalIndicator <TradeBar>(name + "_TrueRange", currentBar => { // in our ComputeNextValue function we'll just call the ComputeTrueRange var nextValue = ComputeTrueRange(previous, currentBar); previous = currentBar; return(nextValue); } // in our IsReady function we just need at least one sample , trueRangeIndicator => trueRangeIndicator.Samples >= 1 ); }
/// <summary> /// Creates a new AroonOscillator from the specified up/down periods. /// </summary> /// <param name="name">The name of this indicator</param> /// <param name="upPeriod">The lookback period to determine the highest high for the AroonDown</param> /// <param name="downPeriod">The lookback period to determine the lowest low for the AroonUp</param> public AroonOscillator(string name, int upPeriod, int downPeriod) : base(name) { var max = new Maximum(name + "_Max", upPeriod + 1); AroonUp = new FunctionalIndicator <IndicatorDataPoint>(name + "_AroonUp", input => ComputeAroonUp(upPeriod, max, input), aroonUp => max.IsReady, () => max.Reset() ); var min = new Minimum(name + "_Min", downPeriod + 1); AroonDown = new FunctionalIndicator <IndicatorDataPoint>(name + "_AroonDown", input => ComputeAroonDown(downPeriod, min, input), aroonDown => min.IsReady, () => min.Reset() ); }
/// <summary> /// Initializes a new instance of the KeltnerChannels class /// </summary> /// <param name="name">The name of this indicator</param> /// <param name="period">The period of the average true range and moving average (middle band)</param> /// <param name="k">The number of multiples specifying the distance between the middle band and upper or lower bands</param> /// <param name="movingAverageType">The type of moving average to be used</param> public KeltnerChannels(string name, int period, decimal k, MovingAverageType movingAverageType = MovingAverageType.Simple) : base(name) { _k = k; //Initialise ATR and SMA AverageTrueRange = new AverageTrueRange(name + "_AverageTrueRange", period, MovingAverageType.Simple); MiddleBand = movingAverageType.AsIndicator(name + "_MiddleBand", period); //Compute Lower Band LowerBand = new FunctionalIndicator <TradeBar>(name + "_LowerBand", input => ComputeLowerBand(), lowerBand => MiddleBand.IsReady, () => MiddleBand.Reset() ); //Compute Upper Band UpperBand = new FunctionalIndicator <TradeBar>(name + "_UpperBand", input => ComputeUpperBand(), upperBand => MiddleBand.IsReady, () => MiddleBand.Reset() ); }
/// <summary> /// Initializes a new instance of the <see cref="AverageDirectionalIndex"/> class. /// </summary> /// <param name="name">The name.</param> /// <param name="period">The period.</param> public AverageDirectionalIndex(string name, int period) : base(name) { _period = period; TrueRange = new FunctionalIndicator <TradeBar>(name + "_TrueRange", currentBar => { var value = ComputeTrueRange(currentBar); return(value); }, isReady => _previousInput != null ); DirectionalMovementPlus = new FunctionalIndicator <TradeBar>(name + "_PositiveDirectionalMovement", currentBar => { var value = ComputePositiveDirectionalMovement(currentBar); return(value); }, isReady => _previousInput != null ); DirectionalMovementMinus = new FunctionalIndicator <TradeBar>(name + "_NegativeDirectionalMovement", currentBar => { var value = ComputeNegativeDirectionalMovement(currentBar); return(value); }, isReady => _previousInput != null ); PositiveDirectionalIndex = new FunctionalIndicator <IndicatorDataPoint>(name + "_PositiveDirectionalIndex", input => ComputePositiveDirectionalIndex(), positiveDirectionalIndex => DirectionalMovementPlus.IsReady && TrueRange.IsReady, () => { DirectionalMovementPlus.Reset(); TrueRange.Reset(); } ); NegativeDirectionalIndex = new FunctionalIndicator <IndicatorDataPoint>(name + "_NegativeDirectionalIndex", input => ComputeNegativeDirectionalIndex(), negativeDirectionalIndex => DirectionalMovementMinus.IsReady && TrueRange.IsReady, () => { DirectionalMovementMinus.Reset(); TrueRange.Reset(); } ); SmoothedTrueRange = new FunctionalIndicator <IndicatorDataPoint>(name + "_SmoothedTrueRange", currentBar => ComputeSmoothedTrueRange(period), isReady => _previousInput != null ); SmoothedDirectionalMovementPlus = new FunctionalIndicator <IndicatorDataPoint>(name + "_SmoothedDirectionalMovementPlus", currentBar => ComputeSmoothedDirectionalMovementPlus(period), isReady => _previousInput != null ); SmoothedDirectionalMovementMinus = new FunctionalIndicator <IndicatorDataPoint>(name + "_SmoothedDirectionalMovementMinus", currentBar => ComputeSmoothedDirectionalMovementMinus(period), isReady => _previousInput != null ); }