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Is this guy proof that market price is (at least sometimes) non-random?


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For more than two decades, Simons' Renaissance Technologies' hedge funds, which trade in markets around the world, have employed mathematical models to analyze and execute trades, many automated. Renaissance uses computer-based models to predict price changes in financial instruments. These models are based on analyzing as much data as can be gathered, then looking for non-random movements to make predictions.

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n 2006, Simons was named Financial Engineer of the Year by the International Association of Financial Engineers. In 2007, he was estimated to have personally earned $2.8 billion,[34] $1.7 billion in 2006,[35] $1.5 billion in 2005[36] (the largest compensation among hedge fund managers that year),[37] and $670 million in 2004.

https://en.wikipedia.org/wiki/Jim_Simons_(mathematician)

 

If you read on a bit, though, you'll see that his company has made billions from tax evasion ('creative accounting').  As a mathematician he is used to scribbling down garbage that makes sense to nobody else, so maybe that's the real source of his riches?

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