/*
* QUANTCONNECT.COM - Democratizing Finance, Empowering Individuals.
* Lean Algorithmic Trading Engine v2.0. Copyright 2014 QuantConnect Corporation.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
using QuantConnect.Data;
using QuantConnect.Data.Consolidators;
using QuantConnect.Data.Market;
using QuantConnect.Indicators;
using System;
using System.Linq;
namespace QuantConnect.Algorithm
{
public partial class QCAlgorithm
{
///
/// Creates a new Acceleration Bands indicator.
///
/// The symbol whose Acceleration Bands we want.
/// The period of the three moving average (middle, upper and lower band).
/// A coefficient specifying the distance between the middle band and upper or lower bands.
/// Type of the moving average.
/// The resolution.
/// Selects a value from the BaseData to send into the indicator, if null defaults to casting the input value to a TradeBar.
///
public AccelerationBands ABANDS(Symbol symbol, int period, decimal width = 4, MovingAverageType movingAverageType = MovingAverageType.Simple,
Resolution? resolution = null, Func selector = null)
{
var name = CreateIndicatorName(symbol, string.Format("ABANDS_{0}_{1}", period, width), resolution);
var abands = new AccelerationBands(name, period, width, movingAverageType);
RegisterIndicator(symbol, abands, resolution, selector);
return abands;
}
///
/// Creates a new AccumulationDistribution indicator.
///
/// The symbol whose AD we want
/// The resolution
/// Selects a value from the BaseData to send into the indicator, if null defaults to the Value property of BaseData (x => x.Value)
/// The AccumulationDistribution indicator for the requested symbol over the speified period
public AccumulationDistribution AD(Symbol symbol, Resolution? resolution = null, Func selector = null)
{
var name = CreateIndicatorName(symbol, "AD", resolution);
var ad = new AccumulationDistribution(name);
RegisterIndicator(symbol, ad, resolution, selector);
return ad;
}
///
/// Creates a new AccumulationDistributionOscillator indicator.
///
/// The symbol whose ADOSC we want
/// The fast moving average period
/// The slow moving average period
/// The resolution
/// Selects a value from the BaseData to send into the indicator, if null defaults to the Value property of BaseData (x => x.Value)
/// The AccumulationDistributionOscillator indicator for the requested symbol over the speified period
public AccumulationDistributionOscillator ADOSC(Symbol symbol, int fastPeriod, int slowPeriod, Resolution? resolution = null, Func selector = null)
{
var name = CreateIndicatorName(symbol, string.Format("ADOSC({0},{1})", fastPeriod, slowPeriod), resolution);
var adOsc = new AccumulationDistributionOscillator(name, fastPeriod, slowPeriod);
RegisterIndicator(symbol, adOsc, resolution, selector);
return adOsc;
}
///
/// Creates a new Average Directional Index indicator.
/// The indicator will be automatically updated on the given resolution.
///
/// The symbol whose Average Directional Index we seek
/// The resolution.
/// The period over which to compute the Average Directional Index
/// Selects a value from the BaseData to send into the indicator, if null defaults to casting the input value to a TradeBar
/// The Average Directional Index indicator for the requested symbol.
public AverageDirectionalIndex ADX(Symbol symbol, int period, Resolution? resolution = null, Func selector = null)
{
var name = CreateIndicatorName(symbol, "ADX", resolution);
var averageDirectionalIndex = new AverageDirectionalIndex(name, period);
RegisterIndicator(symbol, averageDirectionalIndex, resolution, selector);
return averageDirectionalIndex;
}
///
/// Creates a new AverageDirectionalMovementIndexRating indicator.
///
/// The symbol whose ADXR we want
/// The period over which to compute the ADXR
/// The resolution.
/// Selects a value from the BaseData to send into the indicator, if null defaults to the Value property of BaseData (x => x.Value)
/// The AverageDirectionalMovementIndexRating indicator for the requested symbol over the specified period
public AverageDirectionalMovementIndexRating ADXR(Symbol symbol, int period, Resolution? resolution = null, Func selector = null)
{
var name = CreateIndicatorName(symbol, "ADXR" + period, resolution);
var adxr = new AverageDirectionalMovementIndexRating(name, period);
RegisterIndicator(symbol, adxr, resolution, selector);
return adxr;
}
///
/// Creates a new ArnaudLegouxMovingAverage indicator.
///
/// The symbol whose ALMA we want
/// int - the number of periods to calculate the ALMA
/// int - this parameter is responsible for the shape of the curve coefficients.
///
///
/// decimal - This parameter allows regulating the smoothness and high sensitivity of the
/// Moving Average. The range for this parameter is [0, 1].
///
/// The resolution
/// Selects a value from the BaseData to send into the indicator, if null defaults to the Value property of BaseData (x => x.Value)
/// The ArnaudLegouxMovingAverage indicator for the requested symbol over the specified period
public ArnaudLegouxMovingAverage ALMA(Symbol symbol, int period, int sigma = 6, decimal offset = 0.85m, Resolution? resolution = null, Func selector = null)
{
var name = CreateIndicatorName(symbol, string.Format("ALMA_{0}_{1}_{2}", period, sigma, offset), resolution);
var alma = new ArnaudLegouxMovingAverage(name, period, sigma, offset);
RegisterIndicator(symbol, alma, resolution, selector);
return alma;
}
///
/// Creates a new AbsolutePriceOscillator indicator.
///
/// The symbol whose APO we want
/// The fast moving average period
/// The slow moving average period
/// The type of moving average to use
/// The resolution
/// Selects a value from the BaseData to send into the indicator, if null defaults to the Value property of BaseData (x => x.Value)
/// The AbsolutePriceOscillator indicator for the requested symbol over the specified period
public AbsolutePriceOscillator APO(Symbol symbol, int fastPeriod, int slowPeriod, MovingAverageType movingAverageType, Resolution? resolution = null, Func selector = null)
{
var name = CreateIndicatorName(symbol, string.Format("APO({0},{1})", fastPeriod, slowPeriod), resolution);
var apo = new AbsolutePriceOscillator(name, fastPeriod, slowPeriod, movingAverageType);
RegisterIndicator(symbol, apo, resolution, selector);
return apo;
}
///
/// Creates a new AroonOscillator indicator which will compute the AroonUp and AroonDown (as well as the delta)
///
/// The symbol whose Aroon we seek
/// The look back period for computing number of periods since maximum and minimum
/// The resolution
/// Selects a value from the BaseData to send into the indicator, if null defaults to casting the input value to a TradeBar
/// An AroonOscillator configured with the specied periods
public AroonOscillator AROON(Symbol symbol, int period, Resolution? resolution = null, Func selector = null)
{
return AROON(symbol, period, period, resolution, selector);
}
///
/// Creates a new AroonOscillator indicator which will compute the AroonUp and AroonDown (as well as the delta)
///
/// The symbol whose Aroon we seek
/// The look back period for computing number of periods since maximum
/// The look back period for computing number of periods since minimum
/// The resolution
/// Selects a value from the BaseData to send into the indicator, if null defaults to casting the input value to a TradeBar
/// An AroonOscillator configured with the specified periods
public AroonOscillator AROON(Symbol symbol, int upPeriod, int downPeriod, Resolution? resolution = null, Func selector = null)
{
var name = CreateIndicatorName(symbol, string.Format("AROON({0},{1})", upPeriod, downPeriod), resolution);
var aroon = new AroonOscillator(name, upPeriod, downPeriod);
RegisterIndicator(symbol, aroon, resolution, selector);
return aroon;
}
///
/// Creates a new AverageTrueRange indicator for the symbol. The indicator will be automatically
/// updated on the given resolution.
///
/// The symbol whose ATR we want
/// The smoothing period used to smooth the computed TrueRange values
/// The type of smoothing to use
/// The resolution
/// Selects a value from the BaseData to send into the indicator, if null defaults to casting the input value to a TradeBar
/// A new AverageTrueRange indicator with the specified smoothing type and period
public AverageTrueRange ATR(Symbol symbol, int period, MovingAverageType type = MovingAverageType.Simple, Resolution? resolution = null, Func selector = null)
{
string name = CreateIndicatorName(symbol, "ATR" + period, resolution);
var atr = new AverageTrueRange(name, period, type);
RegisterIndicator(symbol, atr, resolution, selector);
return atr;
}
///
/// Creates a new BollingerBands indicator which will compute the MiddleBand, UpperBand, LowerBand, and StandardDeviation
///
/// The symbol whose BollingerBands we seek
/// The period of the standard deviation and moving average (middle band)
/// The number of standard deviations specifying the distance between the middle band and upper or lower bands
/// The type of moving average to be used
/// The resolution
/// Selects a value from the BaseData to send into the indicator, if null defaults to the Value property of BaseData (x => x.Value)
/// A BollingerBands configured with the specied period
public BollingerBands BB(Symbol symbol, int period, decimal k, MovingAverageType movingAverageType = MovingAverageType.Simple, Resolution? resolution = null, Func selector = null)
{
var name = CreateIndicatorName(symbol, string.Format("BB({0},{1})", period, k), resolution);
var bb = new BollingerBands(name, period, k, movingAverageType);
RegisterIndicator(symbol, bb, resolution, selector);
return bb;
}
///
/// Creates a new Balance Of Power indicator.
/// The indicator will be automatically updated on the given resolution.
///
/// The symbol whose Balance Of Power we seek
/// The resolution.
/// Selects a value from the BaseData to send into the indicator, if null defaults to casting the input value to a TradeBar
/// The Balance Of Power indicator for the requested symbol.
public BalanceOfPower BOP(Symbol symbol, Resolution? resolution = null, Func selector = null)
{
var name = CreateIndicatorName(symbol, "BOP", resolution);
var bop = new BalanceOfPower(name);
RegisterIndicator(symbol, bop, resolution, selector);
return bop;
}
///
/// Creates a new CommodityChannelIndex indicator. The indicator will be automatically
/// updated on the given resolution.
///
/// The symbol whose CCI we want
/// The period over which to compute the CCI
/// The type of moving average to use in computing the typical price averge
/// The resolution
/// Selects a value from the BaseData to send into the indicator, if null defaults to casting the input value to a TradeBar
/// The CommodityChannelIndex indicator for the requested symbol over the specified period
public CommodityChannelIndex CCI(Symbol symbol, int period, MovingAverageType movingAverageType = MovingAverageType.Simple, Resolution? resolution = null, Func selector = null)
{
var name = CreateIndicatorName(symbol, "CCI" + period, resolution);
var cci = new CommodityChannelIndex(name, period, movingAverageType);
RegisterIndicator(symbol, cci, resolution, selector);
return cci;
}
///
/// Creates a new ChandeMomentumOscillator indicator.
///
/// The symbol whose CMO we want
/// The period over which to compute the CMO
/// The resolution
/// Selects a value from the BaseData to send into the indicator, if null defaults to the Value property of BaseData (x => x.Value)
/// The ChandeMomentumOscillator indicator for the requested symbol over the specified period
public ChandeMomentumOscillator CMO(Symbol symbol, int period, Resolution? resolution = null, Func selector = null)
{
var name = CreateIndicatorName(symbol, "CMO" + period, resolution);
var cmo = new ChandeMomentumOscillator(name, period);
RegisterIndicator(symbol, cmo, resolution, selector);
return cmo;
}
///
/// Creates a new Donchian Channel indicator which will compute the Upper Band and Lower Band.
/// The indicator will be automatically updated on the given resolution.
///
/// The symbol whose Donchian Channel we seek.
/// The period over which to compute the upper Donchian Channel.
/// The period over which to compute the lower Donchian Channel.
/// The resolution.
/// Selects a value from the BaseData to send into the indicator, if null defaults to casting the input value to a TradeBar
/// The Donchian Channel indicator for the requested symbol.
public DonchianChannel DCH(Symbol symbol, int upperPeriod, int lowerPeriod, Resolution? resolution = null, Func selector = null)
{
var name = CreateIndicatorName(symbol, "DCH", resolution);
var donchianChannel = new DonchianChannel(name, upperPeriod, lowerPeriod);
RegisterIndicator(symbol, donchianChannel, resolution, selector);
return donchianChannel;
}
///
/// Overload shorthand to create a new symmetric Donchian Channel indicator which
/// has the upper and lower channels set to the same period length.
///
/// The symbol whose Donchian Channel we seek.
/// The period over which to compute the Donchian Channel.
/// The resolution.
/// Selects a value from the BaseData to send into the indicator, if null defaults to casting the input value to a TradeBar
/// The Donchian Channel indicator for the requested symbol.
public DonchianChannel DCH(Symbol symbol, int period, Resolution? resolution = null, Func selector = null)
{
return DCH(symbol, period, period, resolution, selector);
}
///
/// Creates a new DoubleExponentialMovingAverage indicator.
///
/// The symbol whose DEMA we want
/// The period over which to compute the DEMA
/// The resolution
/// Selects a value from the BaseData to send into the indicator, if null defaults to the Value property of BaseData (x => x.Value)
/// The DoubleExponentialMovingAverage indicator for the requested symbol over the specified period
public DoubleExponentialMovingAverage DEMA(Symbol symbol, int period, Resolution? resolution = null, Func selector = null)
{
var name = CreateIndicatorName(symbol, "DEMA" + period, resolution);
var dema = new DoubleExponentialMovingAverage(name, period);
RegisterIndicator(symbol, dema, resolution, selector);
return dema;
}
///
/// Creates a new indicator.
///
/// The symbol whose DPO we want
/// The period over which to compute the DPO
/// The resolution
/// Selects a value from the BaseData to send into the indicator, if null defaults to the Value property of BaseData (x => x.Value)
/// A new registered DetrendedPriceOscillator indicator for the requested symbol over the specified period
public DetrendedPriceOscillator DPO(Symbol symbol, int period, Resolution? resolution = null,
Func selector = null)
{
var name = CreateIndicatorName(symbol, "DPO" + period, resolution);
var dpo = new DetrendedPriceOscillator(name, period);
RegisterIndicator(symbol, dpo, resolution, selector);
return dpo;
}
///
/// Creates an ExponentialMovingAverage indicator for the symbol. The indicator will be automatically
/// updated on the given resolution.
///
/// The symbol whose EMA we want
/// The period of the EMA
/// The resolution
/// Selects a value from the BaseData to send into the indicator, if null defaults to the Value property of BaseData (x => x.Value)
/// The ExponentialMovingAverage for the given parameters
public ExponentialMovingAverage EMA(Symbol symbol, int period, Resolution? resolution = null, Func selector = null)
{
string name = CreateIndicatorName(symbol, "EMA" + period, resolution);
var ema = new ExponentialMovingAverage(name, period);
RegisterIndicator(symbol, ema, resolution, selector);
return ema;
}
///
/// Creates a new FilteredIdentity indicator for the symbol The indicator will be automatically
/// updated on the symbol's subscription resolution
///
/// The symbol whose values we want as an indicator
/// Selects a value from the BaseData, if null defaults to the .Value property (x => x.Value)
/// Filters the IBaseData send into the indicator, if null defaults to true (x => true) which means no filter
/// The name of the field being selected
/// A new FilteredIdentity indicator for the specified symbol and selector
public FilteredIdentity FilteredIdentity(Symbol symbol, Func selector = null, Func filter = null, string fieldName = null)
{
var resolution = GetSubscription(symbol).Resolution;
return FilteredIdentity(symbol, resolution, selector, filter, fieldName);
}
///
/// Creates a new FilteredIdentity indicator for the symbol The indicator will be automatically
/// updated on the symbol's subscription resolution
///
/// The symbol whose values we want as an indicator
/// The desired resolution of the data
/// Selects a value from the BaseData, if null defaults to the .Value property (x => x.Value)
/// Filters the IBaseData send into the indicator, if null defaults to true (x => true) which means no filter
/// The name of the field being selected
/// A new FilteredIdentity indicator for the specified symbol and selector
public FilteredIdentity FilteredIdentity(Symbol symbol, Resolution resolution, Func selector = null, Func filter = null, string fieldName = null)
{
string name = CreateIndicatorName(symbol, fieldName ?? "close", resolution);
var filteredIdentity = new FilteredIdentity(name, filter);
RegisterIndicator(symbol, filteredIdentity, resolution, selector);
return filteredIdentity;
}
///
/// Creates a new FilteredIdentity indicator for the symbol The indicator will be automatically
/// updated on the symbol's subscription resolution
///
/// The symbol whose values we want as an indicator
/// The desired resolution of the data
/// Selects a value from the BaseData, if null defaults to the .Value property (x => x.Value)
/// Filters the IBaseData send into the indicator, if null defaults to true (x => true) which means no filter
/// The name of the field being selected
/// A new FilteredIdentity indicator for the specified symbol and selector
public FilteredIdentity FilteredIdentity(Symbol symbol, TimeSpan resolution, Func selector = null, Func filter = null, string fieldName = null)
{
string name = string.Format("{0}({1}_{2})", symbol, fieldName ?? "close", resolution);
var filteredIdentity = new FilteredIdentity(name, filter);
RegisterIndicator(symbol, filteredIdentity, ResolveConsolidator(symbol, resolution), selector);
return filteredIdentity;
}
///
/// Creates an FractalAdaptiveMovingAverage (FRAMA) indicator for the symbol. The indicator will be automatically
/// updated on the given resolution.
///
/// The symbol whose FRAMA we want
/// The period of the FRAMA
/// The long period of the FRAMA
/// The resolution
/// Selects a value from the BaseData to send into the indicator, if null defaults to the Value property of BaseData (x => x.Value)
/// The FRAMA for the given parameters
public FractalAdaptiveMovingAverage FRAMA(Symbol symbol, int period, int longPeriod = 198, Resolution? resolution = null, Func selector = null)
{
var name = CreateIndicatorName(symbol, "FRAMA" + period, resolution);
var frama = new FractalAdaptiveMovingAverage(name, period, longPeriod);
RegisterIndicator(symbol, frama, resolution, selector);
return frama;
}
///
/// Creates a new Heikin-Ashi indicator.
///
/// The symbol whose Heikin-Ashi we want
/// The resolution
/// Selects a value from the BaseData to send into the indicator, if null defaults to the Value property of BaseData (x => x.Value)
/// The Heikin-Ashi indicator for the requested symbol over the specified period
public HeikinAshi HeikinAshi(Symbol symbol, Resolution? resolution = null, Func selector = null)
{
var name = CreateIndicatorName(symbol, "HA", resolution);
var ha = new HeikinAshi(name);
RegisterIndicator(symbol, ha, resolution, selector);
return ha;
}
///
/// Creates a new HullMovingAverage indicator. The Hull moving average is a series of nested weighted moving averages, is fast and smooth.
///
/// The symbol whose Hull moving average we want
/// The period over which to compute the Hull moving average
/// The resolution
/// Selects a value from the BaseData to send into the indicator, if null defaults to the Value property of BaseData (x => x.Value)
///
public HullMovingAverage HMA(Symbol symbol, int period, Resolution? resolution = null, Func selector = null)
{
var name = CreateIndicatorName(symbol, "HMA" + period, resolution);
var hma = new HullMovingAverage(name, period);
RegisterIndicator(symbol, hma, resolution, selector);
return hma;
}
///
/// Creates a new IchimokuKinkoHyo indicator for the symbol. The indicator will be automatically
/// updated on the given resolution.
///
/// The symbol whose ICHIMOKU we want
/// The period to calculate the Tenkan-sen period
/// The period to calculate the Kijun-sen period
/// The period to calculate the Tenkan-sen period
/// The period to calculate the Tenkan-sen period
/// The period to calculate the Tenkan-sen period
/// The period to calculate the Tenkan-sen period
/// The resolution
/// A new IchimokuKinkoHyo indicator with the specified periods and delays
public IchimokuKinkoHyo ICHIMOKU(Symbol symbol, int tenkanPeriod, int kijunPeriod, int senkouAPeriod, int senkouBPeriod, int senkouADelayPeriod, int senkouBDelayPeriod, Resolution? resolution = null)
{
var name = CreateIndicatorName(symbol, string.Format("ICHIMOKU({0},{1})", tenkanPeriod, kijunPeriod), resolution);
var ichimoku = new IchimokuKinkoHyo(name, tenkanPeriod, kijunPeriod, senkouAPeriod, senkouBPeriod, senkouADelayPeriod, senkouBDelayPeriod);
RegisterIndicator(symbol, ichimoku, resolution);
return ichimoku;
}
///
/// Creates a new Identity indicator for the symbol The indicator will be automatically
/// updated on the symbol's subscription resolution
///
/// The symbol whose values we want as an indicator
/// Selects a value from the BaseData, if null defaults to the .Value property (x => x.Value)
/// The name of the field being selected
/// A new Identity indicator for the specified symbol and selector
public Identity Identity(Symbol symbol, Func selector = null, string fieldName = null)
{
var resolution = GetSubscription(symbol).Resolution;
return Identity(symbol, resolution, selector, fieldName);
}
///
/// Creates a new Identity indicator for the symbol The indicator will be automatically
/// updated on the symbol's subscription resolution
///
/// The symbol whose values we want as an indicator
/// The desired resolution of the data
/// Selects a value from the BaseData, if null defaults to the .Value property (x => x.Value)
/// The name of the field being selected
/// A new Identity indicator for the specified symbol and selector
public Identity Identity(Symbol symbol, Resolution resolution, Func selector = null, string fieldName = null)
{
string name = CreateIndicatorName(symbol, fieldName ?? "close", resolution);
var identity = new Identity(name);
RegisterIndicator(symbol, identity, resolution, selector);
return identity;
}
///
/// Creates a new Identity indicator for the symbol The indicator will be automatically
/// updated on the symbol's subscription resolution
///
/// The symbol whose values we want as an indicator
/// The desired resolution of the data
/// Selects a value from the BaseData, if null defaults to the .Value property (x => x.Value)
/// The name of the field being selected
/// A new Identity indicator for the specified symbol and selector
public Identity Identity(Symbol symbol, TimeSpan resolution, Func selector = null, string fieldName = null)
{
string name = string.Format("{0}({1}_{2})", symbol, fieldName ?? "close", resolution);
var identity = new Identity(name);
RegisterIndicator(symbol, identity, ResolveConsolidator(symbol, resolution), selector);
return identity;
}
///
/// Creates a new KaufmanAdaptiveMovingAverage indicator.
///
/// The symbol whose KAMA we want
/// The period over which to compute the KAMA
/// The resolution
/// Selects a value from the BaseData to send into the indicator, if null defaults to the Value property of BaseData (x => x.Value)
/// The KaufmanAdaptiveMovingAverage indicator for the requested symbol over the specified period
public KaufmanAdaptiveMovingAverage KAMA(Symbol symbol, int period, Resolution? resolution = null, Func selector = null)
{
var name = CreateIndicatorName(symbol, "KAMA" + period, resolution);
var kama = new KaufmanAdaptiveMovingAverage(name, period);
RegisterIndicator(symbol, kama, resolution, selector);
return kama;
}
///
/// Creates a new Keltner Channels indicator.
/// The indicator will be automatically updated on the given resolution.
///
/// The symbol whose Keltner Channel we seek
/// The period over which to compute the Keltner Channels
/// The number of multiples of the from the middle band of the Keltner Channels
/// Specifies the type of moving average to be used as the middle line of the Keltner Channel
/// The resolution.
/// Selects a value from the BaseData to send into the indicator, if null defaults to casting the input value to a TradeBar
/// The Keltner Channel indicator for the requested symbol.
public KeltnerChannels KCH(Symbol symbol, int period, decimal k, MovingAverageType movingAverageType = MovingAverageType.Simple, Resolution? resolution = null, Func selector = null)
{
var name = CreateIndicatorName(symbol, "KCH", resolution);
var keltnerChannels = new KeltnerChannels(name, period, k, movingAverageType);
RegisterIndicator(symbol, keltnerChannels, resolution, selector);
return keltnerChannels;
}
///
/// Creates a new LogReturn indicator.
///
/// The symbol whose log return we seek
/// The period of the log return.
/// The resolution.
/// Selects a value from the BaseData to send into the indicator, if null defaults to casting the input value to a TradeBar.
/// log return indicator for the requested symbol.
public LogReturn LOGR(Symbol symbol, int period, Resolution? resolution = null, Func selector = null)
{
string name = CreateIndicatorName(symbol, "LOGR", resolution);
var logr = new LogReturn(name, period);
RegisterIndicator(symbol, logr, resolution, selector);
return logr;
}
///
/// Creates and registers a new Least Squares Moving Average instance.
///
/// The symbol whose LSMA we seek.
/// The LSMA period. Normally 14.
/// The resolution.
/// Selects a value from the BaseData to send into the indicator, if null defaults to casting the input value to a TradeBar.
/// A LeastSquaredMovingAverage configured with the specified period
public LeastSquaresMovingAverage LSMA(Symbol symbol, int period, Resolution? resolution = null, Func selector = null)
{
var name = CreateIndicatorName(symbol, "LSMA" + period, resolution);
var lsma = new LeastSquaresMovingAverage(name, period);
RegisterIndicator(symbol, lsma, resolution, selector);
return lsma;
}
///
/// Creates a new LinearWeightedMovingAverage indicator. This indicator will linearly distribute
/// the weights across the periods.
///
/// The symbol whose LWMA we want
/// The period over which to compute the LWMA
/// The resolution
/// Selects a value from the BaseData to send into the indicator, if null defaults to the Value property of BaseData (x => x.Value)
///
public LinearWeightedMovingAverage LWMA(Symbol symbol, int period, Resolution? resolution = null, Func selector = null)
{
string name = CreateIndicatorName(symbol, "LWMA" + period, resolution);
var lwma = new LinearWeightedMovingAverage(name, period);
RegisterIndicator(symbol, lwma, resolution, selector);
return lwma;
}
///
/// Creates a MACD indicator for the symbol. The indicator will be automatically updated on the given resolution.
///
/// The symbol whose MACD we want
/// The period for the fast moving average
/// The period for the slow moving average
/// The period for the signal moving average
/// The type of moving average to use for the MACD
/// The resolution
/// Selects a value from the BaseData to send into the indicator, if null defaults to the Value property of BaseData (x => x.Value)
/// The moving average convergence divergence between the fast and slow averages
public MovingAverageConvergenceDivergence MACD(Symbol symbol, int fastPeriod, int slowPeriod, int signalPeriod, MovingAverageType type = MovingAverageType.Simple, Resolution? resolution = null, Func selector = null)
{
var name = CreateIndicatorName(symbol, string.Format("MACD({0},{1})", fastPeriod, slowPeriod), resolution);
var macd = new MovingAverageConvergenceDivergence(name, fastPeriod, slowPeriod, signalPeriod, type);
RegisterIndicator(symbol, macd, resolution, selector);
return macd;
}
///
/// Creates a new MeanAbsoluteDeviation indicator.
///
/// The symbol whose MeanAbsoluteDeviation we want
/// The period over which to compute the MeanAbsoluteDeviation
/// The resolution
/// Selects a value from the BaseData to send into the indicator, if null defaults to the Value property of BaseData (x => x.Value)
/// The MeanAbsoluteDeviation indicator for the requested symbol over the specified period
public MeanAbsoluteDeviation MAD(Symbol symbol, int period, Resolution? resolution = null, Func selector = null)
{
var name = CreateIndicatorName(symbol, "MAD" + period, resolution);
var mad = new MeanAbsoluteDeviation(name, period);
RegisterIndicator(symbol, mad, resolution, selector);
return mad;
}
///
/// Creates a new Maximum indicator to compute the maximum value
///
/// The symbol whose max we want
/// The look back period over which to compute the max value
/// The resolution
/// Selects a value from the BaseData to send into the indicator, if null and the symbol is of type TradeBar defaults to the High property,
/// otherwise it defaults to Value property of BaseData (x => x.Value)
/// A Maximum indicator that compute the max value and the periods since the max value
public Maximum MAX(Symbol symbol, int period, Resolution? resolution = null, Func selector = null)
{
var name = CreateIndicatorName(symbol, "MAX" + period, resolution);
var max = new Maximum(name, period);
// assign a default value for the selector function
if (selector == null)
{
var subscription = GetSubscription(symbol);
if (typeof(TradeBar).IsAssignableFrom(subscription.Type))
{
// if we have trade bar data we'll use the High property, if not x => x.Value will be set in RegisterIndicator
selector = x => ((TradeBar)x).High;
}
}
RegisterIndicator(symbol, max, ResolveConsolidator(symbol, resolution), selector);
return max;
}
///
/// Creates a new MoneyFlowIndex indicator. The indicator will be automatically
/// updated on the given resolution.
///
/// The symbol whose MFI we want
/// The period over which to compute the MFI
/// The resolution
/// Selects a value from the BaseData to send into the indicator, if null defaults to the Value property of BaseData (x => x.Value)
/// The MoneyFlowIndex indicator for the requested symbol over the specified period
public MoneyFlowIndex MFI(Symbol symbol, int period, Resolution? resolution = null, Func selector = null)
{
var name = CreateIndicatorName(symbol, "MFI" + period, resolution);
var mfi = new MoneyFlowIndex(name, period);
RegisterIndicator(symbol, mfi, resolution, selector);
return mfi;
}
///
/// Creates a new Mass Index indicator. The indicator will be automatically
/// updated on the given resolution.
///
/// The symbol whose Mass Index we want.
/// The period used by both EMA.
/// The sum period.
/// The resolution.
/// Selects a value from the BaseData to send into the indicator, if null defaults to the Value property of BaseData (x => x.Value)
/// The Mass Index indicator for the requested symbol over the specified period
public MassIndex MASS(Symbol symbol, int emaPeriod = 9, int sumPeriod = 25, Resolution? resolution = null, Func selector = null)
{
var name = CreateIndicatorName(symbol, "MII" + emaPeriod + sumPeriod, resolution);
var mi = new MassIndex(name, emaPeriod, sumPeriod);
RegisterIndicator(symbol, mi, resolution, selector);
return mi;
}
///
/// Creates a new MidPoint indicator.
///
/// The symbol whose MIDPOINT we want
/// The period over which to compute the MIDPOINT
/// The resolution
/// Selects a value from the BaseData to send into the indicator, if null defaults to the Value property of BaseData (x => x.Value)
/// The MidPoint indicator for the requested symbol over the specified period
public MidPoint MIDPOINT(Symbol symbol, int period, Resolution? resolution = null, Func selector = null)
{
var name = CreateIndicatorName(symbol, "MIDPOINT" + period, resolution);
var midpoint = new MidPoint(name, period);
RegisterIndicator(symbol, midpoint, resolution, selector);
return midpoint;
}
///
/// Creates a new MidPrice indicator.
///
/// The symbol whose MIDPRICE we want
/// The period over which to compute the MIDPRICE
/// The resolution
/// Selects a value from the BaseData to send into the indicator, if null defaults to the Value property of BaseData (x => x.Value)
/// The MidPrice indicator for the requested symbol over the specified period
public MidPrice MIDPRICE(Symbol symbol, int period, Resolution? resolution = null, Func selector = null)
{
var name = CreateIndicatorName(symbol, "MIDPRICE" + period, resolution);
var midprice = new MidPrice(name, period);
RegisterIndicator(symbol, midprice, resolution, selector);
return midprice;
}
///
/// Creates a new Minimum indicator to compute the minimum value
///
/// The symbol whose min we want
/// The look back period over which to compute the min value
/// The resolution
/// Selects a value from the BaseData to send into the indicator, if null and the symbol is of type TradeBar defaults to the Low property,
/// otherwise it defaults to Value property of BaseData (x => x.Value)
/// A Minimum indicator that compute the in value and the periods since the min value
public Minimum MIN(Symbol symbol, int period, Resolution? resolution = null, Func selector = null)
{
var name = CreateIndicatorName(symbol, "MIN" + period, resolution);
var min = new Minimum(name, period);
// assign a default value for the selector function
if (selector == null)
{
var subscription = GetSubscription(symbol);
if (typeof(TradeBar).IsAssignableFrom(subscription.Type))
{
// if we have trade bar data we'll use the Low property, if not x => x.Value will be set in RegisterIndicator
selector = x => ((TradeBar)x).Low;
}
}
RegisterIndicator(symbol, min, ResolveConsolidator(symbol, resolution), selector);
return min;
}
///
/// Creates a new Momentum indicator. This will compute the absolute n-period change in the security.
/// The indicator will be automatically updated on the given resolution.
///
/// The symbol whose momentum we want
/// The period over which to compute the momentum
/// The resolution
/// Selects a value from the BaseData to send into the indicator, if null defaults to the Value property of BaseData (x => x.Value)
/// The momentum indicator for the requested symbol over the specified period
public Momentum MOM(Symbol symbol, int period, Resolution? resolution = null, Func selector = null)
{
string name = CreateIndicatorName(symbol, "MOM" + period, resolution);
var momentum = new Momentum(name, period);
RegisterIndicator(symbol, momentum, resolution, selector);
return momentum;
}
///
/// Creates a new Momersion indicator.
///
/// The symbol whose Momersion we want
/// The minimum period over which to compute the Momersion
/// The full period over which to compute the Momersion
/// The resolution
/// Selects a value from the BaseData to send into the indicator, if null defaults to the Value property of BaseData (x => x.Value)
/// The Momersion indicator for the requested symbol over the specified period
public MomersionIndicator MOMERSION(Symbol symbol, int minPeriod, int fullPeriod, Resolution? resolution = null, Func selector = null)
{
var name = CreateIndicatorName(symbol, string.Format("MOMERSION({0},{1})", minPeriod, fullPeriod), resolution);
var momersion = new MomersionIndicator(name, minPeriod, fullPeriod);
RegisterIndicator(symbol, momersion, resolution, selector);
return momersion;
}
///
/// Creates a new MomentumPercent indicator. This will compute the n-period percent change in the security.
/// The indicator will be automatically updated on the given resolution.
///
/// The symbol whose momentum we want
/// The period over which to compute the momentum
/// The resolution
/// Selects a value from the BaseData to send into the indicator, if null defaults to the Value property of BaseData (x => x.Value)
/// The momentum indicator for the requested symbol over the specified period
public MomentumPercent MOMP(Symbol symbol, int period, Resolution? resolution = null, Func selector = null)
{
string name = CreateIndicatorName(symbol, "MOMP" + period, resolution);
var momentum = new MomentumPercent(name, period);
RegisterIndicator(symbol, momentum, resolution, selector);
return momentum;
}
///
/// Creates a new NormalizedAverageTrueRange indicator.
///
/// The symbol whose NATR we want
/// The period over which to compute the NATR
/// The resolution
/// Selects a value from the BaseData to send into the indicator, if null defaults to the Value property of BaseData (x => x.Value)
/// The NormalizedAverageTrueRange indicator for the requested symbol over the specified period
public NormalizedAverageTrueRange NATR(Symbol symbol, int period, Resolution? resolution = null, Func selector = null)
{
var name = CreateIndicatorName(symbol, "NATR" + period, resolution);
var natr = new NormalizedAverageTrueRange(name, period);
RegisterIndicator(symbol, natr, resolution, selector);
return natr;
}
///
/// Creates a new On Balance Volume indicator. This will compute the cumulative total volume
/// based on whether the close price being higher or lower than the previous period.
/// The indicator will be automatically updated on the given resolution.
///
/// The symbol whose On Balance Volume we seek
/// The resolution.
/// Selects a value from the BaseData to send into the indicator, if null defaults to casting the input value to a TradeBar
/// The On Balance Volume indicator for the requested symbol.
public OnBalanceVolume OBV(Symbol symbol, Resolution? resolution = null, Func selector = null)
{
var name = CreateIndicatorName(symbol, "OBV", resolution);
var onBalanceVolume = new OnBalanceVolume(name);
RegisterIndicator(symbol, onBalanceVolume, resolution, selector);
return onBalanceVolume;
}
///
/// Creates a new PercentagePriceOscillator indicator.
///
/// The symbol whose PPO we want
/// The fast moving average period
/// The slow moving average period
/// The type of moving average to use
/// The resolution
/// Selects a value from the BaseData to send into the indicator, if null defaults to the Value property of BaseData (x => x.Value)
/// The PercentagePriceOscillator indicator for the requested symbol over the specified period
public PercentagePriceOscillator PPO(Symbol symbol, int fastPeriod, int slowPeriod, MovingAverageType movingAverageType, Resolution? resolution = null, Func selector = null)
{
var name = CreateIndicatorName(symbol, string.Format("PPO({0},{1})", fastPeriod, slowPeriod), resolution);
var ppo = new PercentagePriceOscillator(name, fastPeriod, slowPeriod, movingAverageType);
RegisterIndicator(symbol, ppo, resolution, selector);
return ppo;
}
///
/// Creates a new Parabolic SAR indicator
///
/// The symbol whose PSAR we seek
/// Acceleration factor start value. Normally 0.02
/// Acceleration factor increment value. Normally 0.02
/// Acceleration factor max value. Normally 0.2
/// The resolution
/// Selects a value from the BaseData to send into the indicator, if null defaults to casting the input value to a TradeBar
/// A ParabolicStopAndReverse configured with the specified periods
public ParabolicStopAndReverse PSAR(Symbol symbol, decimal afStart = 0.02m, decimal afIncrement = 0.02m, decimal afMax = 0.2m, Resolution? resolution = null, Func selector = null)
{
var name = CreateIndicatorName(symbol, string.Format("PSAR({0},{1},{2})", afStart, afIncrement, afMax), resolution);
var psar = new ParabolicStopAndReverse(name, afStart, afIncrement, afMax);
RegisterIndicator(symbol, psar, resolution, selector);
return psar;
}
///
/// Creates a new RegressionChannel indicator which will compute the LinearRegression, UpperChannel and LowerChannel lines, the intercept and slope
///
/// The symbol whose RegressionChannel we seek
/// The period of the standard deviation and least square moving average (linear regression line)
/// The number of standard deviations specifying the distance between the linear regression and upper or lower channel lines
/// The resolution
/// Selects a value from the BaseData to send into the indicator, if null defaults to the Value property of BaseData (x => x.Value)
/// A Regression Channel configured with the specied period and number of standard deviation
public RegressionChannel RC(Symbol symbol, int period, decimal k, Resolution? resolution = null, Func selector = null)
{
var name = CreateIndicatorName(symbol, string.Format("RC({0},{1})", period, k), resolution);
var rc = new RegressionChannel(name, period, k);
RegisterIndicator(symbol, rc, resolution, selector);
return rc;
}
///
/// Creates a new RateOfChange indicator. This will compute the n-period rate of change in the security.
/// The indicator will be automatically updated on the given resolution.
///
/// The symbol whose RateOfChange we want
/// The period over which to compute the RateOfChange
/// The resolution
/// Selects a value from the BaseData to send into the indicator, if null defaults to the Value property of BaseData (x => x.Value)
/// The RateOfChange indicator for the requested symbol over the specified period
public RateOfChange ROC(Symbol symbol, int period, Resolution? resolution = null, Func selector = null)
{
string name = CreateIndicatorName(symbol, "ROC" + period, resolution);
var rateofchange = new RateOfChange(name, period);
RegisterIndicator(symbol, rateofchange, resolution, selector);
return rateofchange;
}
///
/// Creates a new RateOfChangePercent indicator. This will compute the n-period percentage rate of change in the security.
/// The indicator will be automatically updated on the given resolution.
///
/// The symbol whose RateOfChangePercent we want
/// The period over which to compute the RateOfChangePercent
/// The resolution
/// Selects a value from the BaseData to send into the indicator, if null defaults to the Value property of BaseData (x => x.Value)
/// The RateOfChangePercent indicator for the requested symbol over the specified period
public RateOfChangePercent ROCP(Symbol symbol, int period, Resolution? resolution = null, Func selector = null)
{
string name = CreateIndicatorName(symbol, "ROCP" + period, resolution);
var rateofchangepercent = new RateOfChangePercent(name, period);
RegisterIndicator(symbol, rateofchangepercent, resolution, selector);
return rateofchangepercent;
}
///
/// Creates a new RateOfChangeRatio indicator.
///
/// The symbol whose ROCR we want
/// The period over which to compute the ROCR
/// The resolution
/// Selects a value from the BaseData to send into the indicator, if null defaults to the Value property of BaseData (x => x.Value)
/// The RateOfChangeRatio indicator for the requested symbol over the specified period
public RateOfChangeRatio ROCR(Symbol symbol, int period, Resolution? resolution = null, Func selector = null)
{
var name = CreateIndicatorName(symbol, "ROCR" + period, resolution);
var rocr = new RateOfChangeRatio(name, period);
RegisterIndicator(symbol, rocr, resolution, selector);
return rocr;
}
///
/// Creates a new RelativeStrengthIndex indicator. This will produce an oscillator that ranges from 0 to 100 based
/// on the ratio of average gains to average losses over the specified period.
///
/// The symbol whose RSI we want
/// The period over which to compute the RSI
/// The type of moving average to use in computing the average gain/loss values
/// The resolution
/// Selects a value from the BaseData to send into the indicator, if null defaults to the Value property of BaseData (x => x.Value)
/// The RelativeStrengthIndex indicator for the requested symbol over the specified period
public RelativeStrengthIndex RSI(Symbol symbol, int period, MovingAverageType movingAverageType = MovingAverageType.Simple, Resolution? resolution = null, Func selector = null)
{
var name = CreateIndicatorName(symbol, "RSI" + period, resolution);
var rsi = new RelativeStrengthIndex(name, period, movingAverageType);
RegisterIndicator(symbol, rsi, resolution, selector);
return rsi;
}
///
/// Creates an SimpleMovingAverage indicator for the symbol. The indicator will be automatically
/// updated on the given resolution.
///
/// The symbol whose SMA we want
/// The period of the SMA
/// The resolution
/// Selects a value from the BaseData to send into the indicator, if null defaults to the Value property of BaseData (x => x.Value)
/// The SimpleMovingAverage for the given parameters
public SimpleMovingAverage SMA(Symbol symbol, int period, Resolution? resolution = null, Func selector = null)
{
string name = CreateIndicatorName(symbol, "SMA" + period, resolution);
var sma = new SimpleMovingAverage(name, period);
RegisterIndicator(symbol, sma, resolution, selector);
return sma;
}
///
/// Creates a new StandardDeviation indicator. This will return the population standard deviation of samples over the specified period.
///
/// The symbol whose STD we want
/// The period over which to compute the STD
/// The resolution
/// Selects a value from the BaseData to send into the indicator, if null defaults to the Value property of BaseData (x => x.Value)
/// The StandardDeviation indicator for the requested symbol over the speified period
public StandardDeviation STD(Symbol symbol, int period, Resolution? resolution = null, Func selector = null)
{
var name = CreateIndicatorName(symbol, "STD" + period, resolution);
var std = new StandardDeviation(name, period);
RegisterIndicator(symbol, std, resolution, selector);
return std;
}
///
/// Creates a new Stochastic indicator.
///
/// The symbol whose stochastic we seek
/// The resolution.
/// The period of the stochastic. Normally 14
/// The sum period of the stochastic. Normally 14
/// The sum period of the stochastic. Normally 3
/// Stochastic indicator for the requested symbol.
public Stochastic STO(Symbol symbol, int period, int kPeriod, int dPeriod, Resolution? resolution = null)
{
string name = CreateIndicatorName(symbol, "STO", resolution);
var stoch = new Stochastic(name, period, kPeriod, dPeriod);
RegisterIndicator(symbol, stoch, resolution);
return stoch;
}
///
/// Overload short hand to create a new Stochastic indicator; defaulting to the 3 period for dStoch
///
/// The symbol whose stochastic we seek
/// The resolution.
/// The period of the stochastic. Normally 14
/// Stochastic indicator for the requested symbol.
public Stochastic STO(Symbol symbol, int period, Resolution? resolution = null)
{
return STO(symbol, period, period, 3, resolution);
}
///
/// Creates a new Sum indicator.
///
/// The symbol whose Sum we want
/// The period over which to compute the Sum
/// The resolution
/// Selects a value from the BaseData to send into the indicator, if null defaults to the Value property of BaseData (x => x.Value)
/// The Sum indicator for the requested symbol over the specified period
public Sum SUM(Symbol symbol, int period, Resolution? resolution = null, Func selector = null)
{
var name = CreateIndicatorName(symbol, "SUM" + period, resolution);
var sum = new Sum(name, period);
RegisterIndicator(symbol, sum, resolution, selector);
return sum;
}
///
/// Creates Swiss Army Knife transformation for the symbol. The indicator will be automatically
/// updated on the given resolution.
///
/// The symbol to use for calculations
/// The period of the calculation
/// The delta scale of the BandStop or BandPass
/// The tool os the Swiss Army Knife
/// The resolution
/// elects a value from the BaseData to send into the indicator, if null defaults to the Value property of BaseData (x => x.Value)
/// The calculation using the given tool
public SwissArmyKnife SWISS(Symbol symbol, int period, double delta, SwissArmyKnifeTool tool, Resolution? resolution = null, Func selector = null)
{
string name = CreateIndicatorName(symbol, "SWISS" + period, resolution);
var swiss = new SwissArmyKnife(name, period, delta, tool);
RegisterIndicator(symbol, swiss, resolution, selector);
return swiss;
}
///
/// Creates a new T3MovingAverage indicator.
///
/// The symbol whose T3 we want
/// The period over which to compute the T3
/// The volume factor to be used for the T3 (value must be in the [0,1] range, defaults to 0.7)
/// The resolution
/// Selects a value from the BaseData to send into the indicator, if null defaults to the Value property of BaseData (x => x.Value)
/// The T3MovingAverage indicator for the requested symbol over the specified period
public T3MovingAverage T3(Symbol symbol, int period, decimal volumeFactor = 0.7m, Resolution? resolution = null, Func selector = null)
{
var name = CreateIndicatorName(symbol, string.Format("T3({0},{1})", period, volumeFactor), resolution);
var t3 = new T3MovingAverage(name, period, volumeFactor);
RegisterIndicator(symbol, t3, resolution, selector);
return t3;
}
///
/// Creates a new TripleExponentialMovingAverage indicator.
///
/// The symbol whose TEMA we want
/// The period over which to compute the TEMA
/// The resolution
/// Selects a value from the BaseData to send into the indicator, if null defaults to the Value property of BaseData (x => x.Value)
/// The TripleExponentialMovingAverage indicator for the requested symbol over the specified period
public TripleExponentialMovingAverage TEMA(Symbol symbol, int period, Resolution? resolution = null, Func selector = null)
{
var name = CreateIndicatorName(symbol, "TEMA" + period, resolution);
var tema = new TripleExponentialMovingAverage(name, period);
RegisterIndicator(symbol, tema, resolution, selector);
return tema;
}
///
/// Creates a new TrueRange indicator.
///
/// The symbol whose TR we want
/// The resolution
/// Selects a value from the BaseData to send into the indicator, if null defaults to the Value property of BaseData (x => x.Value)
/// The TrueRange indicator for the requested symbol.
public TrueRange TR(Symbol symbol, Resolution? resolution = null, Func selector = null)
{
var name = CreateIndicatorName(symbol, "TR", resolution);
var tr = new TrueRange(name);
RegisterIndicator(symbol, tr, resolution, selector);
return tr;
}
///
/// Creates a new TriangularMovingAverage indicator.
///
/// The symbol whose TRIMA we want
/// The period over which to compute the TRIMA
/// The resolution
/// Selects a value from the BaseData to send into the indicator, if null defaults to the Value property of BaseData (x => x.Value)
/// The TriangularMovingAverage indicator for the requested symbol over the specified period
public TriangularMovingAverage TRIMA(Symbol symbol, int period, Resolution? resolution = null, Func selector = null)
{
var name = CreateIndicatorName(symbol, "TRIMA" + period, resolution);
var trima = new TriangularMovingAverage(name, period);
RegisterIndicator(symbol, trima, resolution, selector);
return trima;
}
///
/// Creates a new Trix indicator.
///
/// The symbol whose TRIX we want
/// The period over which to compute the TRIX
/// The resolution
/// Selects a value from the BaseData to send into the indicator, if null defaults to the Value property of BaseData (x => x.Value)
/// The Trix indicator for the requested symbol over the specified period
public Trix TRIX(Symbol symbol, int period, Resolution? resolution = null, Func selector = null)
{
var name = CreateIndicatorName(symbol, "TRIX" + period, resolution);
var trix = new Trix(name, period);
RegisterIndicator(symbol, trix, resolution, selector);
return trix;
}
///
/// Creates a new UltimateOscillator indicator.
///
/// The symbol whose ULTOSC we want
/// The first period over which to compute the ULTOSC
/// The second period over which to compute the ULTOSC
/// The third period over which to compute the ULTOSC
/// The resolution
/// Selects a value from the BaseData to send into the indicator, if null defaults to the Value property of BaseData (x => x.Value)
/// The UltimateOscillator indicator for the requested symbol over the specified period
public UltimateOscillator ULTOSC(Symbol symbol, int period1, int period2, int period3, Resolution? resolution = null, Func selector = null)
{
var name = CreateIndicatorName(symbol, string.Format("ULTOSC({0},{1},{2})", period1, period2, period3), resolution);
var ultosc = new UltimateOscillator(name, period1, period2, period3);
RegisterIndicator(symbol, ultosc, resolution, selector);
return ultosc;
}
///
/// Creates a new Variance indicator. This will return the population variance of samples over the specified period.
///
/// The symbol whose VAR we want
/// The period over which to compute the VAR
/// The resolution
/// Selects a value from the BaseData to send into the indicator, if null defaults to the Value property of BaseData (x => x.Value)
/// The Variance indicator for the requested symbol over the speified period
public Variance VAR(Symbol symbol, int period, Resolution? resolution = null, Func selector = null)
{
var name = CreateIndicatorName(symbol, "VAR" + period, resolution);
var variance = new Variance(name, period);
RegisterIndicator(symbol, variance, resolution, selector);
return variance;
}
///
/// Creates an VolumeWeightedAveragePrice (VWAP) indicator for the symbol. The indicator will be automatically
/// updated on the given resolution.
///
/// The symbol whose VWAP we want
/// The period of the VWAP
/// The resolution
/// Selects a value from the BaseData to send into the indicator, if null defaults to the Value property of BaseData (x => x.Value)
/// The VolumeWeightedAveragePrice for the given parameters
public VolumeWeightedAveragePriceIndicator VWAP(Symbol symbol, int period, Resolution? resolution = null, Func selector = null)
{
var name = CreateIndicatorName(symbol, "VWAP" + period, resolution);
var vwap = new VolumeWeightedAveragePriceIndicator(name, period);
RegisterIndicator(symbol, vwap, resolution, selector);
return vwap;
}
///
/// Creates a new Williams %R indicator. This will compute the percentage change of
/// the current closing price in relation to the high and low of the past N periods.
/// The indicator will be automatically updated on the given resolution.
///
/// The symbol whose Williams %R we want
/// The period over which to compute the Williams %R
/// The resolution
/// Selects a value from the BaseData to send into the indicator, if null defaults to the Value property of BaseData (x => x.Value)
/// The rateofchangepercent indicator for the requested symbol over the specified period
public WilliamsPercentR WILR(Symbol symbol, int period, Resolution? resolution = null, Func selector = null)
{
string name = CreateIndicatorName(symbol, "WILR" + period, resolution);
var williamspercentr = new WilliamsPercentR(name, period);
RegisterIndicator(symbol, williamspercentr, resolution, selector);
return williamspercentr;
}
///
/// Creates a new name for an indicator created with the convenience functions (SMA, EMA, ect...)
///
/// The symbol this indicator is registered to
/// The indicator type, for example, 'SMA5'
/// The resolution requested
/// A unique for the given parameters
public string CreateIndicatorName(Symbol symbol, string type, Resolution? resolution)
{
if (!resolution.HasValue)
{
resolution = GetSubscription(symbol).Resolution;
}
string res;
switch (resolution)
{
case Resolution.Tick:
res = "_tick";
break;
case Resolution.Second:
res = "_sec";
break;
case Resolution.Minute:
res = "_min";
break;
case Resolution.Hour:
res = "_hr";
break;
case Resolution.Daily:
res = "_day";
break;
case null:
res = string.Empty;
break;
default:
throw new ArgumentOutOfRangeException("resolution");
}
return string.Format("{0}({1}{2})", type, symbol.ToString(), res);
}
///
/// Gets the SubscriptionDataConfig for the specified symbol
///
/// Thrown if no configuration is found for the requested symbol
/// The symbol to retrieve configuration for
/// The SubscriptionDataConfig for the specified symbol
protected SubscriptionDataConfig GetSubscription(Symbol symbol)
{
SubscriptionDataConfig subscription;
try
{
// find our subscription to this symbol
subscription = SubscriptionManager.Subscriptions.First(x => x.Symbol == symbol);
}
catch (InvalidOperationException)
{
// this will happen if we did not find the subscription, let's give the user a decent error message
throw new Exception("Please register to receive data for symbol '" + symbol.ToString() + "' using the AddSecurity() function.");
}
return subscription;
}
///
/// Creates and registers a new consolidator to receive automatic updates at the specified resolution as well as configures
/// the indicator to receive updates from the consolidator.
///
/// The symbol to register against
/// The indicator to receive data from the consolidator
/// The resolution at which to send data to the indicator, null to use the same resolution as the subscription
/// Selects a value from the BaseData to send into the indicator, if null defaults to the Value property of BaseData (x => x.Value)
public void RegisterIndicator(Symbol symbol, IndicatorBase indicator, Resolution? resolution = null, Func selector = null)
{
RegisterIndicator(symbol, indicator, ResolveConsolidator(symbol, resolution), selector ?? (x => x.Value));
}
///
/// Creates and registers a new consolidator to receive automatic updates at the specified resolution as well as configures
/// the indicator to receive updates from the consolidator.
///
/// The symbol to register against
/// The indicator to receive data from the consolidator
/// The resolution at which to send data to the indicator, null to use the same resolution as the subscription
/// Selects a value from the BaseData to send into the indicator, if null defaults to the Value property of BaseData (x => x.Value)
public void RegisterIndicator(Symbol symbol, IndicatorBase indicator, TimeSpan? resolution = null, Func selector = null)
{
RegisterIndicator(symbol, indicator, ResolveConsolidator(symbol, resolution), selector ?? (x => x.Value));
}
///
/// Registers the consolidator to receive automatic updates as well as configures the indicator to receive updates
/// from the consolidator.
///
/// The symbol to register against
/// The indicator to receive data from the consolidator
/// The consolidator to receive raw subscription data
/// Selects a value from the BaseData send into the indicator, if null defaults to the Value property of BaseData (x => x.Value)
public void RegisterIndicator(Symbol symbol, IndicatorBase indicator, IDataConsolidator consolidator, Func selector = null)
{
// default our selector to the Value property on BaseData
selector = selector ?? (x => x.Value);
// register the consolidator for automatic updates via SubscriptionManager
SubscriptionManager.AddConsolidator(symbol, consolidator);
// attach to the DataConsolidated event so it updates our indicator
consolidator.DataConsolidated += (sender, consolidated) =>
{
var value = selector(consolidated);
indicator.Update(new IndicatorDataPoint(consolidated.Symbol, consolidated.EndTime, value));
};
}
///
/// Registers the consolidator to receive automatic updates as well as configures the indicator to receive updates
/// from the consolidator.
///
/// The symbol to register against
/// The indicator to receive data from the consolidator
/// The resolution at which to send data to the indicator, null to use the same resolution as the subscription
public void RegisterIndicator(Symbol symbol, IndicatorBase indicator, Resolution? resolution = null)
where T : IBaseData
{
RegisterIndicator(symbol, indicator, ResolveConsolidator(symbol, resolution));
}
///
/// Registers the consolidator to receive automatic updates as well as configures the indicator to receive updates
/// from the consolidator.
///
/// The symbol to register against
/// The indicator to receive data from the consolidator
/// The resolution at which to send data to the indicator, null to use the same resolution as the subscription
/// Selects a value from the BaseData send into the indicator, if null defaults to a cast (x => (T)x)
public void RegisterIndicator(Symbol symbol, IndicatorBase indicator, Resolution? resolution, Func selector)
where T : IBaseData
{
RegisterIndicator(symbol, indicator, ResolveConsolidator(symbol, resolution), selector);
}
///
/// Registers the consolidator to receive automatic updates as well as configures the indicator to receive updates
/// from the consolidator.
///
/// The symbol to register against
/// The indicator to receive data from the consolidator
/// The resolution at which to send data to the indicator, null to use the same resolution as the subscription
/// Selects a value from the BaseData send into the indicator, if null defaults to a cast (x => (T)x)
public void RegisterIndicator(Symbol symbol, IndicatorBase indicator, TimeSpan? resolution, Func selector = null)
where T : IBaseData
{
RegisterIndicator(symbol, indicator, ResolveConsolidator(symbol, resolution), selector);
}
///
/// Registers the consolidator to receive automatic updates as well as configures the indicator to receive updates
/// from the consolidator.
///
/// The symbol to register against
/// The indicator to receive data from the consolidator
/// The consolidator to receive raw subscription data
/// Selects a value from the BaseData send into the indicator, if null defaults to a cast (x => (T)x)
public void RegisterIndicator(Symbol symbol, IndicatorBase indicator, IDataConsolidator consolidator, Func selector = null)
where T : IBaseData
{
// assign default using cast
selector = selector ?? (x => (T)x);
// register the consolidator for automatic updates via SubscriptionManager
SubscriptionManager.AddConsolidator(symbol, consolidator);
// check the output type of the consolidator and verify we can assign it to T
var type = typeof(T);
if (!type.IsAssignableFrom(consolidator.OutputType))
{
throw new ArgumentException(string.Format("Type mismatch found between consolidator and indicator for symbol: {0}." +
"Consolidator outputs type {1} but indicator expects input type {2}",
symbol, consolidator.OutputType.Name, type.Name)
);
}
// attach to the DataConsolidated event so it updates our indicator
consolidator.DataConsolidated += (sender, consolidated) =>
{
var value = selector(consolidated);
indicator.Update(value);
};
}
///
/// Gets the default consolidator for the specified symbol and resolution
///
/// The symbo whose data is to be consolidated
/// The resolution for the consolidator, if null, uses the resolution from subscription
/// The new default consolidator
public IDataConsolidator ResolveConsolidator(Symbol symbol, Resolution? resolution)
{
var subscription = GetSubscription(symbol);
// if not specified, default to the subscription's resolution
if (!resolution.HasValue)
{
resolution = subscription.Resolution;
}
var timeSpan = resolution.Value.ToTimeSpan();
// verify this consolidator will give reasonable results, if someone asks for second consolidation but we have minute
// data we won't be able to do anything good, we'll call it second, but it would really just be minute!
if (timeSpan < subscription.Resolution.ToTimeSpan())
{
throw new ArgumentException(string.Format("Unable to create {0} {1} consolidator because {0} is registered for {2} data. " +
"Consolidators require higher resolution data to produce lower resolution data.",
symbol, resolution.Value, subscription.Resolution)
);
}
return ResolveConsolidator(symbol, timeSpan);
}
///
/// Gets the default consolidator for the specified symbol and resolution
///
/// The symbo whose data is to be consolidated
/// The requested time span for the consolidator, if null, uses the resolution from subscription
/// The new default consolidator
public IDataConsolidator ResolveConsolidator(Symbol symbol, TimeSpan? timeSpan)
{
var subscription = GetSubscription(symbol);
// if not specified, default to the subscription resolution
if (!timeSpan.HasValue)
{
timeSpan = subscription.Resolution.ToTimeSpan();
}
// verify this consolidator will give reasonable results, if someone asks for second consolidation but we have minute
// data we won't be able to do anything good, we'll call it second, but it would really just be minute!
if (timeSpan.Value < subscription.Resolution.ToTimeSpan())
{
throw new ArgumentException(string.Format("Unable to create {0} consolidator because {0} is registered for {1} data. " +
"Consolidators require higher resolution data to produce lower resolution data.",
symbol, subscription.Resolution)
);
}
// if our type can be used as a trade bar, then let's just make one of those
// we use IsAssignableFrom instead of IsSubclassOf so that we can account for types that are able to be cast to TradeBar
if (typeof(TradeBar).IsAssignableFrom(subscription.Type))
{
return new TradeBarConsolidator(timeSpan.Value);
}
// if our type can be used as a quote bar, then let's just make one of those
// we use IsAssignableFrom instead of IsSubclassOf so that we can account for types that are able to be cast to QuoteBar
if (typeof(QuoteBar).IsAssignableFrom(subscription.Type))
{
return new QuoteBarConsolidator(timeSpan.Value);
}
// if our type can be used as a tick then we'll use a consolidator that keeps the TickType
// we use IsAssignableFrom instead of IsSubclassOf so that we can account for types that are able to be cast to Tick
if (typeof(Tick).IsAssignableFrom(subscription.Type))
{
// Use IdentityDataConsolidator when ticks are not meant to consolidated into bars
if (timeSpan.Value.Ticks == 0)
{
return new IdentityDataConsolidator();
}
switch (subscription.TickType)
{
case TickType.OpenInterest:
return new OpenInterestConsolidator(timeSpan.Value);
case TickType.Quote:
return new TickQuoteBarConsolidator(timeSpan.Value);
default:
return new TickConsolidator(timeSpan.Value);
}
}
// if our type can be used as a DynamicData then we'll use the DynamicDataConsolidator
if (typeof(DynamicData).IsAssignableFrom(subscription.Type))
{
return new DynamicDataConsolidator(timeSpan.Value);
}
// no matter what we can always consolidate based on the time-value pair of BaseData
return new BaseDataConsolidator(timeSpan.Value);
}
} // End Partial Algorithm Template - Indicators.
} // End QC Namespace