Jim Simons

The advantage scientists bring into the game is less their mathematical or computational skills than their ability to think scientifically. They are less likely to accept an apparent winning strategy that might be a mere statistical fluke.Jim Simons President Renaissance Technologies

Video of a lecture by Simons at MIT

Profile: http://www.turtletrader.com/trader-simons.html

An excerpt from: The Secret World of Jim Simons by Hal Lux:

Like all quantitative money managers, Renaissance aims to find small market anomalies and inefficiencies that can support profitable trading on billions of dollars of capital. Though all quant shops are alike in their dedication to models Let the best algorithm win! Renaissance’s approach differs from the “convergence trading” popularized by John Meriwether’s Long-Term Capital Management and similar arbitrage shops. Convergence traders price financial instruments based on complex mathematical models, find two different instruments that are cheap and expensive on a relative basis and then buy one and sell the other, betting that the prices will, at some point, have to return to their proper level. The Renaissance approach requires that trades pay off in a limited, specified time frame. And Renaissance traders never override the models. Back in action, Medallion made its mark through rapid, short-term trading across futures markets. “I have one guy who has a Ph.D. in finance. We don’t hire people from business schools. We don’t hire people from Wall Street,” says Simons. “We hire people who have done good science.” “We have three criteria,” says Simons. “If it’s publicly traded, liquid and amenable to modeling, we trade it.” Unusual for a hedge fund, the heart of Renaissance is not its trading room an uncluttered room where a score of traders buy and sell around the clock but rather an auditorium with exposed beams that seats 100 and features biweekly science lectures. Last month a molecular biologist presented research on colon cancer. “When you hear someone talk about an interesting use of statistics it helps trigger your thinking,” says one Renaissance employee.


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