with all that combined, you're only about 15% of the odds. I had heard about Warren Buffett's advice and he was right in the financial markets. He said that the financial market always has a special feature that not people with high IQ will have higher win rates, but those who need a combination of both EQ and IQ. That means that psychology contributes a very important part in a trader 's trading career and it makes it all. First of all, to become a good trader, you must be a good at grasping and analyzing the psychology of the crowd.