Hedge funds pay $650K–$950K a year for quants who spot cointegrated price pairs rather than mere correlation. Nobel laureate Robert Engle’s free lecture covers the Engle-Granger and related tests and explains why ongoing maintenance—retesting relationships, sizing for costs and monitoring p-values—is what sustains the trading edge.

Ken Griffin says AI agents now handle complex financial research that once took master’s and PhD teams weeks or months, completing it in hours or days. He highlights how Citadel uses AI to speed up analysis and decision-making in its hedge fund operations.