SortinoRatioParameter
StockSharp.Algo.Statistics
排序比率(年收益 -- -- 无风险率/年收益率下降)。
继承自: RiskAdjustedRatioParameter
构造函数
SortinoRatioParameter
public SortinoRatioParameter()
sortinoRatioParameter = SortinoRatioParameter()
初始化 SortinoRatioParameter 类的新实例 。
方法
AddRiskSample
protected override void AddRiskSample(decimal ret, long count)
sortinoRatioParameter.AddRiskSample(ret, count)
Adds consecutive periods of the same return to the risk accumulator.
- ret
- The return value.
- count
- How many periods earned it.
GetRisk
protected override decimal GetRisk(long count, decimal sumReturn)
result = sortinoRatioParameter.GetRisk(count, sumReturn)
Gets the risk value (e.g., stddev or downside deviation).
- count
- Count of samples.
- sumReturn
- Sum of all returns.
返回值: Risk value.
HasEnoughRiskSamples
protected override bool HasEnoughRiskSamples(long count)
result = sortinoRatioParameter.HasEnoughRiskSamples(count)
Checks if enough risk samples accumulated for calculation.
- count
- Count of samples.
返回值: Check result.
LoadAsync
public override Task LoadAsync(SettingsStorage storage, CancellationToken cancellationToken)
result = sortinoRatioParameter.LoadAsync(storage, cancellationToken)
To load the state of statistic parameter.
- storage
- Storage.
- cancellationToken
- CancellationToken
返回值: Task
SaveAsync
public override Task SaveAsync(SettingsStorage storage, CancellationToken cancellationToken)
result = sortinoRatioParameter.SaveAsync(storage, cancellationToken)
To save the state of statistic parameter.
- storage
- Storage.
- cancellationToken
- CancellationToken
返回值: Task