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* Fix UniverseDefinitions.ETF|Index methods call ambiguity * Minor changes
415 lines
20 KiB
C#
415 lines
20 KiB
C#
/*
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* QUANTCONNECT.COM - Democratizing Finance, Empowering Individuals.
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* Lean Algorithmic Trading Engine v2.0. Copyright 2014 QuantConnect Corporation.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*
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*/
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using System;
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using System.Collections.Generic;
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using System.Linq;
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using Python.Runtime;
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using QuantConnect.Data;
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using QuantConnect.Data.UniverseSelection;
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namespace QuantConnect.Algorithm
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{
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/// <summary>
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/// Provides helpers for defining universes in algorithms
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/// </summary>
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public class UniverseDefinitions
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{
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private readonly QCAlgorithm _algorithm;
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/// <summary>
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/// Gets a helper that provides methods for creating universes based on daily dollar volumes
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/// </summary>
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public DollarVolumeUniverseDefinitions DollarVolume { get; set; }
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/// <summary>
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/// Specifies that universe selection should not make changes on this iteration
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/// </summary>
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public Universe.UnchangedUniverse Unchanged => Universe.Unchanged;
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/// <summary>
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/// Initializes a new instance of the <see cref="UniverseDefinitions"/> class
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/// </summary>
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/// <param name="algorithm">The algorithm instance, used for obtaining the default <see cref="UniverseSettings"/></param>
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public UniverseDefinitions(QCAlgorithm algorithm)
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{
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_algorithm = algorithm;
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DollarVolume = new DollarVolumeUniverseDefinitions(algorithm);
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}
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/// <summary>
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/// Creates a universe for the constituents of the provided <paramref name="etfTicker"/>
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/// </summary>
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/// <param name="etfTicker">Ticker of the ETF to get constituents for</param>
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/// <param name="market">Market of the ETF</param>
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/// <param name="universeSettings">Universe settings</param>
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/// <param name="universeFilterFunc">Function to filter universe results</param>
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/// <returns>New ETF constituents Universe</returns>
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public Universe ETF(
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string etfTicker,
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string market,
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UniverseSettings universeSettings,
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Func<IEnumerable<ETFConstituentData>, IEnumerable<Symbol>> universeFilterFunc)
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{
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market ??= _algorithm.BrokerageModel.DefaultMarkets.TryGetValue(SecurityType.Equity, out var defaultMarket)
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? defaultMarket
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: throw new Exception("No default market set for security type: Equity");
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var etfSymbol = new Symbol(
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SecurityIdentifier.GenerateEquity(
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etfTicker,
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market,
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true,
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mappingResolveDate: _algorithm.Time.Date),
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etfTicker);
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return ETF(etfSymbol, universeSettings, universeFilterFunc);
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}
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/// <summary>
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/// Creates a universe for the constituents of the provided <paramref name="etfTicker"/>
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/// </summary>
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/// <param name="etfTicker">Ticker of the ETF to get constituents for</param>
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/// <param name="market">Market of the ETF</param>
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/// <param name="universeFilterFunc">Function to filter universe results</param>
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/// <returns>New ETF constituents Universe</returns>
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public Universe ETF(string etfTicker, string market, Func<IEnumerable<ETFConstituentData>, IEnumerable<Symbol>> universeFilterFunc)
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{
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return ETF(etfTicker, market, null, universeFilterFunc);
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}
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/// <summary>
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/// Creates a universe for the constituents of the provided <paramref name="etfTicker"/>
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/// </summary>
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/// <param name="etfTicker">Ticker of the ETF to get constituents for</param>
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/// <param name="universeFilterFunc">Function to filter universe results</param>
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/// <returns>New ETF constituents Universe</returns>
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public Universe ETF(string etfTicker, Func<IEnumerable<ETFConstituentData>, IEnumerable<Symbol>> universeFilterFunc)
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{
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return ETF(etfTicker, null, null, universeFilterFunc);
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}
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/// <summary>
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/// Creates a universe for the constituents of the provided <paramref name="etfTicker"/>
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/// </summary>
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/// <param name="etfTicker">Ticker of the ETF to get constituents for</param>
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/// <param name="universeSettings">Universe settings</param>
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/// <param name="universeFilterFunc">Function to filter universe results</param>
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/// <returns>New ETF constituents Universe</returns>
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public Universe ETF(
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string etfTicker,
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UniverseSettings universeSettings,
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Func<IEnumerable<ETFConstituentData>, IEnumerable<Symbol>> universeFilterFunc)
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{
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return ETF(etfTicker, null, universeSettings, universeFilterFunc);
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}
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/// <summary>
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/// Creates a universe for the constituents of the provided <paramref name="etfTicker"/>
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/// </summary>
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/// <param name="etfTicker">Ticker of the ETF to get constituents for</param>
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/// <param name="market">Market of the ETF</param>
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/// <param name="universeSettings">Universe settings</param>
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/// <param name="universeFilterFunc">Function to filter universe results</param>
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/// <returns>New ETF constituents Universe</returns>
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public Universe ETF(
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string etfTicker,
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string market = null,
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UniverseSettings universeSettings = null,
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PyObject universeFilterFunc = null)
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{
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return ETF(etfTicker, market, universeSettings, universeFilterFunc?.ConvertPythonUniverseFilterFunction<ETFConstituentData>());
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}
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/// <summary>
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/// Creates a universe for the constituents of the provided ETF <paramref name="symbol"/>
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/// </summary>
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/// <param name="symbol">ETF Symbol to get constituents for</param>
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/// <param name="universeSettings">Universe settings</param>
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/// <param name="universeFilterFunc">Function to filter universe results</param>
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/// <returns>New ETF constituents Universe</returns>
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public Universe ETF(Symbol symbol, UniverseSettings universeSettings,
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Func<IEnumerable<ETFConstituentData>, IEnumerable<Symbol>> universeFilterFunc)
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{
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return new ETFConstituentsUniverse(symbol, universeSettings ?? _algorithm.UniverseSettings, universeFilterFunc);
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}
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/// <summary>
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/// Creates a universe for the constituents of the provided ETF <paramref name="symbol"/>
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/// </summary>
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/// <param name="symbol">ETF Symbol to get constituents for</param>
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/// <param name="universeFilterFunc">Function to filter universe results</param>
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/// <returns>New ETF constituents Universe</returns>
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public Universe ETF(Symbol symbol, Func<IEnumerable<ETFConstituentData>, IEnumerable<Symbol>> universeFilterFunc)
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{
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return ETF(symbol, null, universeFilterFunc);
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}
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/// <summary>
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/// Creates a universe for the constituents of the provided ETF <paramref name="symbol"/>
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/// </summary>
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/// <param name="symbol">ETF Symbol to get constituents for</param>
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/// <param name="universeSettings">Universe settings</param>
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/// <param name="universeFilterFunc">Function to filter universe results</param>
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/// <returns>New ETF constituents Universe</returns>
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public Universe ETF(Symbol symbol, UniverseSettings universeSettings = null, PyObject universeFilterFunc = null)
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{
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return ETF(symbol, universeSettings ?? _algorithm.UniverseSettings,
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universeFilterFunc?.ConvertPythonUniverseFilterFunction<ETFConstituentData>());
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}
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/// <summary>
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/// Creates a universe for the constituents of the provided <paramref name="indexTicker"/>
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/// </summary>
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/// <param name="indexTicker">Ticker of the index to get constituents for</param>
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/// <param name="market">Market of the index</param>
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/// <param name="universeSettings">Universe settings</param>
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/// <param name="universeFilterFunc">Function to filter universe results</param>
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/// <returns>New index constituents Universe</returns>
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public Universe Index(string indexTicker, string market, UniverseSettings universeSettings,
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Func<IEnumerable<ETFConstituentData>, IEnumerable<Symbol>> universeFilterFunc)
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{
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market ??= _algorithm.BrokerageModel.DefaultMarkets.TryGetValue(SecurityType.Index, out var defaultMarket)
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? defaultMarket
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: throw new Exception("No default market set for security type: Index");
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return Index(
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Symbol.Create(indexTicker, SecurityType.Index, market),
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universeSettings,
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universeFilterFunc);
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}
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/// <summary>
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/// Creates a universe for the constituents of the provided <paramref name="indexTicker"/>
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/// </summary>
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/// <param name="indexTicker">Ticker of the index to get constituents for</param>
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/// <param name="market">Market of the index</param>
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/// <param name="universeSettings">Universe settings</param>
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/// <param name="universeFilterFunc">Function to filter universe results</param>
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/// <returns>New index constituents Universe</returns>
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public Universe Index(string indexTicker, string market, Func<IEnumerable<ETFConstituentData>, IEnumerable<Symbol>> universeFilterFunc)
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{
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return Index(indexTicker, market, null, universeFilterFunc);
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}
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/// <summary>
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/// Creates a universe for the constituents of the provided <paramref name="indexTicker"/>
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/// </summary>
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/// <param name="indexTicker">Ticker of the index to get constituents for</param>
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/// <param name="universeFilterFunc">Function to filter universe results</param>
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/// <returns>New index constituents Universe</returns>
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public Universe Index(string indexTicker, Func<IEnumerable<ETFConstituentData>, IEnumerable<Symbol>> universeFilterFunc)
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{
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return Index(indexTicker, null, null, universeFilterFunc);
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}
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/// <summary>
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/// Creates a universe for the constituents of the provided <paramref name="indexTicker"/>
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/// </summary>
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/// <param name="indexTicker">Ticker of the index to get constituents for</param>
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/// <param name="market">Market of the index</param>
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/// <param name="universeSettings">Universe settings</param>
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/// <param name="universeFilterFunc">Function to filter universe results</param>
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/// <returns>New index constituents Universe</returns>
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public Universe Index(string indexTicker, UniverseSettings universeSettings,
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Func<IEnumerable<ETFConstituentData>, IEnumerable<Symbol>> universeFilterFunc)
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{
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return Index(indexTicker, null, universeSettings, universeFilterFunc);
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}
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/// <summary>
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/// Creates a universe for the constituents of the provided <paramref name="indexTicker"/>
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/// </summary>
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/// <param name="indexTicker">Ticker of the index to get constituents for</param>
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/// <param name="market">Market of the index</param>
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/// <param name="universeSettings">Universe settings</param>
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/// <param name="universeFilterFunc">Function to filter universe results</param>
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/// <returns>New index constituents Universe</returns>
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public Universe Index(
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string indexTicker,
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string market = null,
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UniverseSettings universeSettings = null,
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PyObject universeFilterFunc = null)
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{
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return Index(indexTicker, market, universeSettings, universeFilterFunc?.ConvertPythonUniverseFilterFunction<ETFConstituentData>());
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}
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/// <summary>
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/// Creates a universe for the constituents of the provided <paramref name="indexSymbol"/>
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/// </summary>
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/// <param name="indexSymbol">Index Symbol to get constituents for</param>
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/// <param name="universeSettings">Universe settings</param>
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/// <param name="universeFilterFunc">Function to filter universe results</param>
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/// <returns>New index constituents Universe</returns>
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public Universe Index(Symbol indexSymbol, UniverseSettings universeSettings,
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Func<IEnumerable<ETFConstituentData>, IEnumerable<Symbol>> universeFilterFunc)
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{
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return new ETFConstituentsUniverse(indexSymbol, universeSettings, universeFilterFunc);
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}
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/// <summary>
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/// Creates a universe for the constituents of the provided <paramref name="indexSymbol"/>
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/// </summary>
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/// <param name="indexSymbol">Index Symbol to get constituents for</param>
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/// <param name="universeFilterFunc">Function to filter universe results</param>
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/// <returns>New index constituents Universe</returns>
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public Universe Index(Symbol indexSymbol, Func<IEnumerable<ETFConstituentData>, IEnumerable<Symbol>> universeFilterFunc)
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{
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return Index(indexSymbol, null, universeFilterFunc);
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}
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/// <summary>
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/// Creates a universe for the constituents of the provided <paramref name="indexSymbol"/>
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/// </summary>
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/// <param name="indexSymbol">Index Symbol to get constituents for</param>
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/// <param name="universeSettings">Universe settings</param>
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/// <param name="universeFilterFunc">Function to filter universe results</param>
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/// <returns>New index constituents Universe</returns>
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public Universe Index(
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Symbol indexSymbol,
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UniverseSettings universeSettings = null,
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PyObject universeFilterFunc = null)
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{
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return Index(indexSymbol, universeSettings ?? _algorithm.UniverseSettings,
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universeFilterFunc?.ConvertPythonUniverseFilterFunction<ETFConstituentData>());
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}
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/// <summary>
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/// Creates a new fine universe that contains the constituents of QC500 index based onthe company fundamentals
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/// The algorithm creates a default tradable and liquid universe containing 500 US equities
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/// which are chosen at the first trading day of each month.
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/// </summary>
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/// <returns>A new coarse universe for the top count of stocks by dollar volume</returns>
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public Universe QC500
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{
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get
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{
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var lastMonth = -1;
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var numberOfSymbolsCoarse = 1000;
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var numberOfSymbolsFine = 500;
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var dollarVolumeBySymbol = new Dictionary<Symbol, decimal>();
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var symbol = Symbol.Create("qc-500", SecurityType.Equity, Market.USA);
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var coarseUniverse = new CoarseFundamentalUniverse(
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symbol,
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_algorithm.UniverseSettings,
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coarse =>
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{
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if (_algorithm.Time.Month == lastMonth)
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{
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return Universe.Unchanged;
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}
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// The stocks must have fundamental data
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// The stock must have positive previous-day close price
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// The stock must have positive volume on the previous trading day
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var sortedByDollarVolume =
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(from x in coarse
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where x.HasFundamentalData && x.Volume > 0 && x.Price > 0
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orderby x.DollarVolume descending
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select x).Take(numberOfSymbolsCoarse).ToList();
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dollarVolumeBySymbol.Clear();
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foreach (var x in sortedByDollarVolume)
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{
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dollarVolumeBySymbol[x.Symbol] = x.DollarVolume;
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}
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// If no security has met the QC500 criteria, the universe is unchanged.
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// A new selection will be attempted on the next trading day as lastMonth is not updated
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if (dollarVolumeBySymbol.Count == 0)
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{
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return Universe.Unchanged;
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}
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return dollarVolumeBySymbol.Keys;
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});
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return new FineFundamentalFilteredUniverse(
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coarseUniverse,
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fine =>
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{
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// The company's headquarter must in the U.S.
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// The stock must be traded on either the NYSE or NASDAQ
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// At least half a year since its initial public offering
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// The stock's market cap must be greater than 500 million
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var filteredFine =
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(from x in fine
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where x.CompanyReference.CountryId == "USA" &&
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(x.CompanyReference.PrimaryExchangeID == "NYS" ||
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x.CompanyReference.PrimaryExchangeID == "NAS") &&
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(_algorithm.Time - x.SecurityReference.IPODate).Days > 180 &&
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x.MarketCap > 500000000m
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select x).ToList();
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var count = filteredFine.Count;
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// If no security has met the QC500 criteria, the universe is unchanged.
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// A new selection will be attempted on the next trading day as lastMonth is not updated
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if (count == 0)
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{
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return Universe.Unchanged;
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}
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// Update _lastMonth after all QC500 criteria checks passed
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lastMonth = _algorithm.Time.Month;
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var percent = numberOfSymbolsFine / (double) count;
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// select stocks with top dollar volume in every single sector
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var topFineBySector =
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(from x in filteredFine
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// Group by sector
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group x by x.CompanyReference.IndustryTemplateCode
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into g
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let y = from item in g
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orderby dollarVolumeBySymbol[item.Symbol] descending
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select item
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let c = (int) Math.Ceiling(y.Count() * percent)
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select new {g.Key, Value = y.Take(c)}
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).ToDictionary(x => x.Key, x => x.Value);
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return topFineBySector.SelectMany(x => x.Value)
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.OrderByDescending(x => dollarVolumeBySymbol[x.Symbol])
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.Take(numberOfSymbolsFine)
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.Select(x => x.Symbol);
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});
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}
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}
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/// <summary>
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/// Creates a new coarse universe that contains the top count of stocks
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/// by daily dollar volume
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/// </summary>
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/// <param name="count">The number of stock to select</param>
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/// <param name="universeSettings">The settings for stocks added by this universe.
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/// Defaults to <see cref="QCAlgorithm.UniverseSettings"/></param>
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/// <returns>A new coarse universe for the top count of stocks by dollar volume</returns>
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public Universe Top(int count, UniverseSettings universeSettings = null)
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{
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universeSettings ??= _algorithm.UniverseSettings;
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var symbol = Symbol.Create("us-equity-dollar-volume-top-" + count, SecurityType.Equity, Market.USA);
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var config = new SubscriptionDataConfig(typeof(CoarseFundamental), symbol, Resolution.Daily, TimeZones.NewYork, TimeZones.NewYork, false, false, true);
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return new FuncUniverse(config, universeSettings, selectionData => (
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from c in selectionData.OfType<CoarseFundamental>()
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orderby c.DollarVolume descending
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select c.Symbol).Take(count)
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);
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}
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}
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}
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