I would like to add to my strategies a Rule that would prevent Buys during sideways markets.  Is there a consensus regarding which indicator(s) would best accomplish this?  If it makes a difference, I mostly trade SPY.  Thanks.
    
    
        
    
    
        
    
    
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        I often use the ADX for this purpose.
    
    
        
    
    
        
    
    
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        Do you use the standard ADX > 25 equals a Trend (in either direction), or do you Optimize the ADX value for each individual symbol?
    
    
        
    
    
        
    
    
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        Normally, I do not optimize. Yes, something between 20 and 25.
    
    
        
    
    
        
    
    
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