class ModulatedCalibratedCoreWave(QCAlgorithm):

    def Initialize(self):
        self.SetStartDate(2019, 11, 21) 
        self.SetEndDate(2019, 11, 21)
        self.SetCash(100000)  
        self.AddEquity("SPY", Resolution.Minute)
        
        self.shown = False


    def OnData(self, data):
        if 'SPY' in data.Bars and not self.shown:
            self.shown = True
            self.Log(f"Current price using data slice: {data['SPY'].Price}")
            self.Log(f"Current price using Securities: {self.Securities['SPY'].Price}")
        
        if not self.Portfolio.Invested and self.Securities['SPY'].Exchange.ExchangeOpen:
            self.SetHoldings("SPY", 1)