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2026-07-13 13:02:50 +08:00

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C#

/*
* 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.
*/
namespace QuantConnect.Securities
{
/// <summary>
/// Static class contains definitions of popular futures expiration cycles
/// </summary>
public static class FutureExpirationCycles
{
/// <summary>
/// January Cycle: Expirations in January, April, July, October (the first month of each quarter)
/// </summary>
public static readonly int[] January = { 1, 4, 7, 10 };
/// <summary>
/// February Cycle: Expirations in February, May, August, November (second month)
/// </summary>
public static readonly int[] February = { 2, 5, 8, 11 };
/// <summary>
/// March Cycle: Expirations in March, June, September, December (third month)
/// </summary>
public static readonly int[] March = { 3, 6, 9, 12 };
/// <summary>
/// December Cycle: Expirations in December
/// </summary>
public static readonly int[] December = { 12 };
/// <summary>
/// All Year Cycle: Expirations in every month of the year
/// </summary>
public static readonly int[] AllYear = { 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12 };
/// <summary>
/// GJMQVZ Cycle
/// </summary>
public static readonly int[] GJMQVZ = { 2, 4, 6, 8, 10, 12 };
/// <summary>
/// GJKMNQVZ Cycle
/// </summary>
public static readonly int[] GJKMNQVZ = { 2, 4, 5, 6, 7, 8, 10, 12 };
/// <summary>
/// HMUZ Cycle
/// </summary>
public static readonly int[] HMUZ = March;
/// <summary>
/// HKNUZ Cycle
/// </summary>
public static readonly int[] HKNUZ = { 3, 5, 7, 9, 12 };
/// <summary>
/// HKNV Cycle
/// </summary>
public static readonly int[] HKNV = { 3, 5, 7, 10 };
/// <summary>
/// HKNVZ Cycle
/// </summary>
public static readonly int[] HKNVZ = { 3, 5, 7, 10, 12 };
/// <summary>
/// FHKNUX Cycle
/// </summary>
public static readonly int[] FHKNUX = { 1, 3, 5, 7, 9, 11 };
/// <summary>
/// FHJKQUVX Cycle
/// </summary>
public static readonly int[] FHJKQUVX = { 1, 3, 4, 5, 8, 9, 10, 11 };
/// <summary>
/// HKNUVZ Cycle
/// </summary>
public static readonly int[] HKNUVZ = { 3, 5, 7, 9, 10, 12 };
/// <summary>
/// FHKNQUVZ Cycle
/// </summary>
public static readonly int[] FHKNUVZ = { 1, 3, 5, 7, 9, 10, 12 };
/// <summary>
/// FHKMQUVZ Cycle
/// </summary>
public static readonly int[] FHKNQUVZ = { 1, 3, 5, 7, 8, 9, 10, 12 };
/// <summary>
/// FHKNQUX Cycle
/// </summary>
public static readonly int[] FHKNQUX = { 1, 3, 5, 7, 8, 9, 11 };
/// <summary>
/// FGHJKMNQUVXZ Cycle
/// </summary>
public static readonly int[] FGHJKMNQUVXZ = AllYear;
}
}