Markopolos first heard about Madoff in the late 1980s. The hedge fund he worked for had noticed Madoff’s spectacular returns, and they wanted Markopolos to copy Madoff’s strategy. Markopolos tried. But he couldn’t figure out what Madoff’s strategy was. Madoff claimed to be making his money based on heavy trading of a financial instrument known as a derivative. But there was simply no trace of Madoff in those markets. “I was trading huge amounts of derivatives every year, and so I had relationships with the largest investment banks that traded derivatives,” Markopolos remembers.
