protected override void OnStart()
 {
     bb   = Indicators.BollingerBands(MarketSeries.Close, bbperiod, bbotcl, MovingAverageType.Simple);
     rsi  = Indicators.RelativeStrengthIndex(MarketSeries.Close, rsiperiod);
     psar = Indicators.ParabolicSAR(SARstep, SARmax);
     frc  = Indicators.FractalChaosBands(5);
 }