124 lines
4.9 KiB
C#
124 lines
4.9 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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using System;
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using System.Collections.Generic;
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using System.Linq;
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using QuantConnect.Data;
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using QuantConnect.Data.UniverseSelection;
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using QuantConnect.Interfaces;
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namespace QuantConnect.Algorithm.CSharp
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{
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/// <summary>
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/// Test algorithm that reproduces GH issues 3410 and 3409.
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/// Coarse universe selection should start from the algorithm start date.
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/// Data returned by history requests performed from the selection method should be up to date.
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/// </summary>
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public class CoarseSelectionTimeRegressionAlgorithm : QCAlgorithm, IRegressionAlgorithmDefinition
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{
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private Symbol _spy;
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private decimal _historyCoarseSpyPrice;
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/// <summary>
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/// Initialise the data and resolution required, as well as the cash and start-end dates for your algorithm. All algorithms must initialized.
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/// </summary>
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public override void Initialize()
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{
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SetStartDate(2014, 03, 25);
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SetEndDate(2014, 04, 01);
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_spy = AddEquity("SPY", Resolution.Daily).Symbol;
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UniverseSettings.Resolution = Resolution.Daily;
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AddUniverse(CoarseSelectionFunction);
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}
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public IEnumerable<Symbol> CoarseSelectionFunction(IEnumerable<CoarseFundamental> coarse)
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{
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var sortedByDollarVolume = coarse.OrderByDescending(x => x.DollarVolume);
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var top = sortedByDollarVolume
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.Where(fundamental => fundamental.Symbol != _spy) // ignore spy
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.Take(1);
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_historyCoarseSpyPrice = History(_spy, 1).First().Close;
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return top.Select(x => x.Symbol);
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}
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/// <summary>
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/// OnData event is the primary entry point for your algorithm. Each new data point will be pumped in here.
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/// </summary>
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/// <param name="data">Slice object keyed by symbol containing the stock data</param>
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public override void OnData(Slice data)
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{
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if (data.Count != 2)
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{
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throw new Exception($"Unexpected data count: {data.Count}");
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}
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if (ActiveSecurities.Count != 2)
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{
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throw new Exception($"Unexpected ActiveSecurities count: {ActiveSecurities.Count}");
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}
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// the price obtained by the previous coarse selection should be the same as the current price
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if (_historyCoarseSpyPrice != 0 && _historyCoarseSpyPrice != Securities[_spy].Price)
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{
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throw new Exception($"Unexpected SPY price: {_historyCoarseSpyPrice}");
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}
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_historyCoarseSpyPrice = 0;
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if (!Portfolio.Invested)
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{
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SetHoldings(_spy, 1);
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Debug("Purchased Stock");
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}
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}
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/// <summary>
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/// This is used by the regression test system to indicate if the open source Lean repository has the required data to run this algorithm.
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/// </summary>
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public bool CanRunLocally { get; } = true;
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/// <summary>
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/// This is used by the regression test system to indicate which languages this algorithm is written in.
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/// </summary>
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public Language[] Languages { get; } = { Language.CSharp };
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/// <summary>
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/// This is used by the regression test system to indicate what the expected statistics are from running the algorithm
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/// </summary>
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public Dictionary<string, string> ExpectedStatistics => new Dictionary<string, string>
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{
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{"Total Trades", "1"},
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{"Average Win", "0%"},
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{"Average Loss", "0%"},
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{"Compounding Annual Return", "57.953%"},
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{"Drawdown", "0.900%"},
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{"Expectancy", "0"},
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{"Net Profit", "1.007%"},
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{"Sharpe Ratio", "4.212"},
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{"Loss Rate", "0%"},
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{"Win Rate", "0%"},
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{"Profit-Loss Ratio", "0"},
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{"Alpha", "-0.143"},
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{"Beta", "0.921"},
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{"Annual Standard Deviation", "0.086"},
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{"Annual Variance", "0.007"},
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{"Information Ratio", "-5.985"},
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{"Tracking Error", "0.031"},
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{"Treynor Ratio", "0.395"},
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{"Total Fees", "$2.91"}
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};
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}
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} |