Jhonathan Abreu
c81f5d7d1a
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* Add SeedInitialPrices algorithm setting This is true by default and indicates that the engine will seed initial prices right after the security is added or selected * Update regression algorithms * Update regression algorithms * Update regression algorithms * Refactor default securities seeding * Minor fix * Minro fixes * Cleanup * Updated and add regression algorithms * Address peer review * Centralize logic to get last known data for multiple securities * Some cleanup * Minor build fix * Minor fixes * More logic centralization * Some more cleanup * Cleanup * Update regression algorithms and minor fixes * Update regression algorithms * Minor fix * More minor fixes * Update regression algorithms * Cleanup * Minor test fix * Address peer review * Minor fix and performance improvement * Fix to seed open interest data * Minor test fixes * Address peer review * Minor change * Minor revert * Minor fixes and improvements * Disable initial seeding by default * Minor fixes * Cleanup * Cleanup * Minor fix
51 lines
1.9 KiB
C#
51 lines
1.9 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 QuantConnect.Interfaces;
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using QuantConnect.Securities;
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using System.Collections.Generic;
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using System.Linq;
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namespace QuantConnect
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{
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/// <summary>
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/// Provides utility methods for or related to algorithms
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/// </summary>
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public static class AlgorithmUtils
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{
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/// <summary>
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/// Seeds the provided securities with their last known prices from the algorithm
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/// </summary>
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/// <param name="securities">The securities to seed</param>
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/// <param name="algorithm">The algorithm instance</param>
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public static void SeedSecurities(IReadOnlyCollection<Security> securities, IAlgorithm algorithm)
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{
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var securitiesToSeed = securities.Where(x => x.Price == 0);
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var data = algorithm.GetLastKnownPrices(securitiesToSeed.Select(x => x.Symbol));
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foreach (var security in securitiesToSeed)
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{
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if (data.TryGetValue(security.Symbol, out var seedData))
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{
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foreach (var datum in seedData)
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{
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security.SetMarketPrice(datum);
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}
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}
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}
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}
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}
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}
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