This chapter examines the rise and evolution of Arcadia Petroleum and the broader role of oil traders operating in complex geopolitical environments, particularly Nigeria. It traces Arcadia’s origins, strategic partnerships, and its prominent position in the Nigerian oil market, shedding light on the critical interplay between local consultants, political relationships, and trading opportunities. The chapter further explores how Nigerian crude became central to the Brent and CFD markets due to innovative pricing mechanisms that introduced valuable optionality for traders. Through detailed case studies—including controversies surrounding Arcadia’s dealings in Yemen and the infamous UN Oil-for-Food programme—it illustrates how traders leveraged opaque markets, price controls, and autocratic regimes to secure profitable contracts, often navigating ethical and regulatory grey areas. The narrative concludes by reflecting on the challenges of transparency, the decline of banks’ dominance, and the legacy and future trajectory of independent trading firms amidst growing scrutiny and shifting regulatory landscapes.