How would I have to code this:
Sell everything if Nasdaq 100 closing is lower on trading day number 5 than opening was on trading day number 1  in January?
    
    
        
    
    
        
    
    
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        Is "trading day number 5" also in January or in any given month (e.g. current)?
    
    
        
    
    
        
    
    
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        trading day number 5 is also in January
    
    
        
    
    
        
    
    
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        And if condition is not met, should the system wait until next year?
    
    
        
    
    
        
    
    
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        The code probably could be simplified even more depending on what "everything" means.
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        If condition is not met system can buy stocks throughout the year under some conditions I created. If condition is met all stocks shall be sold on trading day 6 in January. 
    
    
        
    
    
        
    
    
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        So code in #6 should get the job done.
    
    
        
    
    
        
    
    
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