
From working-class London to Citigroup's trading floor, Stevenson's raw memoir exposes finance's underbelly. Disputed by colleagues yet praised by analysts for its moral ambiguity, this controversial insider account reveals how a math genius navigated Wall Street's "dysfunctional" culture during 2008's financial collapse.
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A single lost pound coin once felt like the end of the world. Growing up in East London, those gleaming towers of Canary Wharf were visible from the street-close enough to see, impossible to reach. Money wasn't just scarce; it shaped everything. Selling penny sweets, delivering newspapers, hustling for every coin-this was survival, not ambition. Years later, from the 42nd floor of Citibank, those childhood streets disappeared beneath a forest of glass and steel, invisible except in memory. What separated one kid from East London from the rest wasn't connections or wealth-it was an unusual gift for numbers and strategy. At the London School of Economics, surrounded by students who abandoned lectures to master financial jargon and network aggressively, the class divide felt insurmountable. But here's the thing about being an outsider: you see what insiders miss. Fresh eyes spot patterns that conventional thinking overlooks. When Citibank sponsored a trading card game competition, most students approached it with rigid calculations. The winning strategy? Understanding psychology, not just mathematics. Trading isn't really about numbers-it's about reading people. During that LSE competition, victory came from watching how players revealed their cards, exploiting their predictable logic, creating risk-free profits from human behavior. The fundamental truths emerged clearly: individual traders can't dictate prices, consensus determines value, and sometimes following successful strategies beats trying to outsmart everyone. The national final at Citigroup's headquarters revealed something deeper. Competitors excelled at calculations but couldn't adapt when conditions shifted. By manipulating price perceptions through confident, loud quotes-psychological warfare disguised as trading-the game changed. Then came the twist: the entire competition had been rigged to test resolve under extreme pressure. Success required not just strategic thinking but persistence and boldness when everything felt designed to break you.