private void StartNewBar(Tick tick)
{
_barEndTime = tick.TimeStamp.ToIntervalCeiling(SessionIterator.Current.SessionStart, TimeSpan.FromMinutes(_period.PeriodInMinutes));
_barEndTime = TimeStamp.Min(_barEndTime, SessionIterator.Current.SessionEnd);
_barInProgress = new Bar();
_barInProgress.Open = _barInProgress.High = _barInProgress.Low = _barInProgress.Close = tick.Price;
_barInProgress.Volume = tick.Volume;
_barInProgress.TimeStamp = _barEndTime;
Bars.AddNewBar(_barInProgress);
}