wehub-resource-sync
65 lines
2.6 KiB
C#
65 lines
2.6 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.Data.Market;
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namespace QuantConnect.Indicators
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{
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/// <summary>
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/// This indicator computes the Accumulation/Distribution (AD)
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/// The Accumulation/Distribution is calculated using the following formula:
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/// AD = AD + ((Close - Low) - (High - Close)) / (High - Low) * Volume
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/// </summary>
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public class AccumulationDistribution : TradeBarIndicator, IIndicatorWarmUpPeriodProvider
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{
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/// <summary>
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/// Initializes a new instance of the <see cref="AccumulationDistribution"/> class using the specified name.
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/// </summary>
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public AccumulationDistribution()
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: this("AD")
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{
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}
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/// <summary>
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/// Initializes a new instance of the <see cref="AccumulationDistribution"/> class using the specified name.
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/// </summary>
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/// <param name="name">The name of this indicator</param>
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public AccumulationDistribution(string name)
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: base(name)
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{
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}
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/// <summary>
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/// Gets a flag indicating when this indicator is ready and fully initialized
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/// </summary>
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public override bool IsReady => Samples > 0;
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/// <summary>
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/// Required period, in data points, for the indicator to be ready and fully initialized.
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/// </summary>
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public int WarmUpPeriod => 1;
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/// <summary>
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/// Computes the next value of this indicator from the given state
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/// </summary>
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/// <param name="input">The input given to the indicator</param>
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/// <returns>A new value for this indicator</returns>
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protected override decimal ComputeNextValue(TradeBar input)
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{
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var range = input.High - input.Low;
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return Current.Value + (range > 0 ? ((input.Close - input.Low) - (input.High - input.Close)) / range * input.Volume : 0m);
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}
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}
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} |