John Arnold looks back at 17 years of energy trading

Grasp of market psychology key to success, says Centaurus founder

John Arnold
John Arnold

In the world of natural gas traders, which has a reputation for attracting risk-loving, fast-talking hotshots with unfettered confidence in their abilities, John Arnold cuts an unusual figure. Colleagues describe him as polite, soft-spoken and intellectual. Yet that belies his amazing track record. Forbes estimates his net worth to be $2.9 billion and his Houston-based hedge fund, Centaurus Advisors, reportedly enjoyed a stunningly successful run between 2002 and 2009, with annual returns

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