Can anyone direct me to a source that has historical intra-day ETF  NAVs for purchase?
Thanks
Peter
    
    
        
    
    
        
    
    
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        Nothing shows up on my quick search. There's a 
formula for iNAV but it doesn't appear that the source data is readily available (e.g. estimated cash component) so it's not too useful:
 
    
        
    
    
        
    
    
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