SharpeRatioParameter

StockSharp.Algo.Statistics

Коэффициент Шарпа (годовая доходность – безрисковая ставка/годовое стандартное отклонение).

Наследует: RiskAdjustedRatioParameter

Конструкторы

SharpeRatioParameter
public SharpeRatioParameter()
sharpeRatioParameter = SharpeRatioParameter()

Инициализируйте новый экземпляр класса SharpeRatioParameter.

Методы

AddRiskSample
protected override void AddRiskSample(decimal ret, long count)
sharpeRatioParameter.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 = sharpeRatioParameter.GetRisk(count, sumReturn)

Gets the risk value (e.g., stddev or downside deviation).

count
Count of samples.
sumReturn
Sum of all returns.

Возвращает: Risk value.

HasEnoughRiskSamples
protected override bool HasEnoughRiskSamples(long count)
result = sharpeRatioParameter.HasEnoughRiskSamples(count)

Checks if enough risk samples accumulated for calculation.

count
Count of samples.

Возвращает: Check result.

LoadAsync
public override Task LoadAsync(SettingsStorage storage, CancellationToken cancellationToken)
result = sharpeRatioParameter.LoadAsync(storage, cancellationToken)

To load the state of statistic parameter.

storage
Storage.
cancellationToken
CancellationToken

Возвращает: Task

Reset
public override void Reset()
sharpeRatioParameter.Reset()

Сбросить состояние.

SaveAsync
public override Task SaveAsync(SettingsStorage storage, CancellationToken cancellationToken)
result = sharpeRatioParameter.SaveAsync(storage, cancellationToken)

To save the state of statistic parameter.

storage
Storage.
cancellationToken
CancellationToken

Возвращает: Task