​Success in the stock market has a lot to do with the ability of the trader to develop solid market ideas and then to translate them into positions that offer a positive return relative to the risk.

Now, for example, there are quite a few fund managers with a great view of the big picture who also develop great ideas but are unable to turn them into profitable trades.  
Similarly, there are quite a few private traders who consider short-term trading patterns as trading ideas, only to be blindsided by what happens in the big picture. 
That's why advanced trading is a combination of strategy and tactics. 
I concluded for myself that I have only one advantage when trading: When I find levels