Two of the top traders that you used in your research in modeling success have completely different trading styles. One is very mechanical, while the other uses a much more intuitive approach. Could you contrast their differences and compare their similarities? First, let me talk about their similarities, because they are extensive. In fact, when you find extensive
similarities between two excellent traders who seem so different, then you can begin to assume that those similarities
are essential to successful trading. Both traders, for example, developed models for how the markets work and did
extensive research to test those models. Although their ideas are very different, I think the process of developing and
testing some sort of model is probably very important. In addition, both traders share all the same beliefs that I men-
tioned earlier as common to successful traders. Third, both traders are very aware of their purpose in life and as a
trader. They believe they are part of a "bigger picture" and they just go with the flow.
The mechanical trader is very logical. He constructs his models visually in his imagination. He is very precise
in his language and thinking. His models tend to focus on his concept of how to trade successfully and of how the
economy works. He does not believe that his models are adequate until they can be converted into algorithms for the
computer that match his own mental processes. As a result of this belief, he has computerized his models, modifying
both his constructed image and his computer output, until both models match—in his words, "until they both look
right." This is a very slow and laborious process. I think it hinders his decision making on everyday events, and he
tends to agree with me, but it helps him in the long run. When his mental image and the computer model match, he
virtually takes himself out of the trading picture. The computer does everything, so at that point, decision making is
easy for him.
The intuitive trader, in contrast, has developed a model of how he thinks markets operate, rather than a
model of how to trade successfully. He also believes that the markets are constantly evolving and that it is more
important to keep up with changes in the market than to test his models by developing an algorithm to computerize
them. He trades from his expectations of what the markets will do, which are visualizations. But I think that he tends
to convert his visualizations into feelings. Feelings actually are a mode of thinking, but they are difficult to
communicate to others or to computerize. As a result, he believes that exercises such as computerizing a trading
system are a waste of time. Remember that his main emphasis is to explain how markets work (rather than how to
trade), and he believes that the markets are constantly evolving. As a result, he has difficulty explaining how he
trades to anyone else. He just calls it intuitive. At the same time, he makes day-to-day decisions easily—a distinct
contrast to the mechanical trader who is uncomfortable until he has proven his work by computerizing it.