/// <summary>
/// To get the indicator value by the index (0 - last value).
/// </summary>
/// <param name="indicator">Indicator.</param>
/// <param name="index">The value index.</param>
/// <returns>Indicator value.</returns>
public static decimal GetValue(this IIndicator indicator, int index)
{
return(indicator.GetNullableValue(index) ?? 0);
}