As he developed his trading approach, Bonnin understood that the edge in the type of arbitrage he was engaged in would eventually wear thin; the edge would be arbitraged out and he would need to find another strategy.
He spent a lot of time building technical indicators and spotting trading opportunities with the goal of eventually starting a trading firm. "I created software applications that would take advantage of inefficiencies," Bonnin says. "[I] stopped my personal trading to concentrate on constructing trading systems and a research platform. That is how I came to be a systematic trader."