There all kinds of views about what makes a successful trader. There are those who believe in purely fundamentals, the religious focus on intrinsic value by value investors being the most obvious example, and there are those who believe in purely Technical factors or charting.
But there are in fact successful investors that use many different methodologies which suggests that there is not one Holy Grail method of investing but there are many.
Perhaps the better question then it to ask “What factors do successful investors (of any discipline) have in common?”
Here are some of them - common factors of successful traders.