its probably more their actions when the dice was in their favour that made them great ......like any trader.........its about optimising your returns when the markets offer you a window...and minimising losses when those windows are firmly closed
There can be many evidences where we may perceive that some traders have won trades based on the traders’ luck. But if we try to analyze the whole fact we can actually understand that we are not right in our trading thought. Those successful traders have adequate trading skills and experience. Out of their expertise they can easily forecast the future behaviors from the market forecasts, what we actually perceive as luck.