Files
quantconnect--lean/Common/Securities/Option/ConstantQLRiskFreeRateEstimator.cs
2026-07-13 13:02:50 +08:00

47 lines
1.9 KiB
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.
*/
using QuantConnect.Data;
using QuantConnect.Data.Market;
namespace QuantConnect.Securities.Option
{
/// <summary>
/// Class implements default flat risk free curve, implementing <see cref="IQLRiskFreeRateEstimator"/>.
/// </summary>
public class ConstantQLRiskFreeRateEstimator : IQLRiskFreeRateEstimator
{
private readonly decimal _riskFreeRate;
/// <summary>
/// Constructor initializes class with risk free rate constant
/// </summary>
/// <param name="riskFreeRate"></param>
public ConstantQLRiskFreeRateEstimator(decimal riskFreeRate = 0.01m)
{
_riskFreeRate = riskFreeRate;
}
/// <summary>
/// Returns current flat estimate of the risk free rate
/// </summary>
/// <param name="security">The option security object</param>
/// <param name="slice">The current data slice. This can be used to access other information
/// available to the algorithm</param>
/// <param name="contract">The option contract to evaluate</param>
/// <returns>The estimate</returns>
public decimal Estimate(Security security, Slice slice, OptionContract contract) => _riskFreeRate;
}
}