Personality Case Study: Dan Zanger

Dan Zanger’s biggest (though certainly not only) claim to fame in trading the stock markets came when—in a little less than two years—he turned a little less than $11,000 into $18 million. That’s a mind boggling 164,000 percent in profit! Sounds more like lottery playing than market trading, right? This feat is widely regarded as the world record for the largest percent change for a personal portfolio in any stock market for either a 12-month or an 18-month period of time.

This staggering performance landed Dan on the cover of several magazines, such as Fortune, Forbes, and Stocks & Commodities. And in a business where many traders make bold or unsubstantiated claims and tell exaggerated “fish stories,” ...

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