protected override PatternResult <Crossover?> ComputeByIndexImpl(int index)
{
if (index < 1)
{
return(new PatternResult <Crossover?>(Equity[index].DateTime, null));
}
var latest = _emaOscillator.ComputeByIndex(index);
var secondLatest = _emaOscillator.ComputeByIndex(index - 1);
return(new PatternResult <Crossover?>(Equity[index].DateTime, Decision.IsCrossover(latest.Osc, secondLatest.Osc)));
}