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QQQ 1 Minute Data >6years?

 

Thanks for your idea. I did check that before I posted and confirmed that QQQQ->QQQ in 2011 so should not affect my request.
?
My thought was that the ConID may have changed so I did a query just with symbol name and SMART and USD and nothing else but it came back with the same error so it seems impossible to pull 1 minute data from that time.
 

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There was a period where QQQ was QQQQ.? Maybe that is what you are encountering...

    
On 2/4/2025 8:50 AM, David Armour via
      groups.io wrote:

    

    

				
					
					

					



      
      
Recently I have been trying to backtest a new strategy using
        1 minute bars. I was able to get 10 years worth of 1 minute data
        for SPY, IWM and DIA but not for QQQ. The longest I can get for
        QQQ is ~6 years. 

      
?

      
For older dates the reqHistoricalData() call comes back with
        a strange error :? "Unrecognised Contract".

      


        Does anyone know why this is?

      
?

      
Note I tried, SMART, ISLAND, NASDAQ as the exchanges and all
        came back with the same issue.

      
?

      
Wondering if it is a temporary glitch or a genuine problem
        and I will not be able to get data that far back for QQQ.

      
?

      
Any input would be helpful.

      
    

    

  


					


				
				
				
			

			
			

	

	
			

			

				
					

				
				
			

			

				

					

				

			

			
			
			

			


				
	



			
		
			
				
	

		
			

			
			

			
			
			

				

					


						
							

								
								
							

						
					

					

						
							


						
						 
						
							
							
						
						
					

				

			

			

			

				
You can look at flat files on ?

				
					
					

					



On Tue 4 Feb 2025, 19:35 David Armour via , <dave.armour=[email protected]> wrote:
Recently I have been trying to backtest a new strategy using 1 minute bars. I was able to get 10 years worth of 1 minute data for SPY, IWM and DIA but not for QQQ. The longest I can get for QQQ is ~6 years. 


?


For older dates the reqHistoricalData() call comes back with a strange error :? "Unrecognised Contract".



Does anyone know why this is?


?


Note I tried, SMART, ISLAND, NASDAQ as the exchanges and all came back with the same issue.


?


Wondering if it is a temporary glitch or a genuine problem and I will not be able to get data that far back for QQQ.


?


Any input would be helpful.







					


				
				
				
			

			
			

	

	
			

			

				
					

				
				
			

			

				

					

				

			

			
			
			

			


				
	



			
		
			
				
	

		
			

			
			

			
			
			

				

					


						
							

								
								
							

						
					

					

						
							


						
						 
						
							
							
						
						
					

				

			

			

			

				
Recently I have been trying to backtest a new strategy using 1 minute bars. I was able to get 10 years worth of 1 minute data for SPY, IWM and DIA but not for QQQ. The longest I can get for QQQ is ~6 years. 


?


For older dates the reqHistoricalData() call comes back with a strange error :? "Unrecognised Contract".



Does anyone know why this is?


?


Note I tried, SMART, ISLAND, NASDAQ as the exchanges and all came back with the same issue.


?


Wondering if it is a temporary glitch or a genuine problem and I will not be able to get data that far back for QQQ.


?


Any input would be helpful.

				
				
				
			

			
			

	

	
			

			

				
					

				
				
			

			

				

					

				

			

			
			
			

			


				
	



			
		
	

	
	
	
	


	

		
		
		
		
		
	

	

		
		
		
		
		
	

	
	

		
		
		
		
	



	

		
		
		
		
		
		
	

	

	

		

	

		

			
	
		

			
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