/// <summary>
/// Рассчитать параметр d1 определения вероятности исполнения опциона.
/// </summary>
/// <param name="deviation">Стандартное отклонение.</param>
/// <param name="assetPrice">Цена базового актива.</param>
/// <param name="timeToExp">Период опциона до экспирации.</param>
/// <returns>Параметр d1.</returns>
protected override double D1(decimal deviation, decimal assetPrice, double timeToExp)
{
return(DerivativesHelper.D1(assetPrice, Option.Strike, 0, 0, deviation, timeToExp));
}
/// <summary>
/// To calculate the d1 parameter of the option fulfilment probability estimating.
/// </summary>
/// <param name="deviation">Standard deviation.</param>
/// <param name="assetPrice">Underlying asset price.</param>
/// <param name="timeToExp">The option period before the expiration.</param>
/// <returns>The d1 parameter.</returns>
protected virtual double D1(decimal deviation, decimal assetPrice, double timeToExp)
{
return(DerivativesHelper.D1(assetPrice, GetStrike(), RiskFree, Dividend, deviation, timeToExp));
}