In this paper we study the case of a Wall Street investment bank that lost its entire office and trading technology in the terrorist attack of September 11th. The traders survived, but were forced to relocate to a makeshift trading room in New Jersey. During the six months the traders spent...

Our task in this paper is to analyze the organization of trading in the era of quantitative finance. To do so, we conduct an ethnography of arbitrage, the trading strategy that best exemplifies finance in the wake of the quantitative revolution. In contrast to value and momentum investing, we...