Jack Treynor (Economist)

Jack Treynor is an influential American economist known for his work in finance and investment theory. He developed the Treynor Ratio, a measure that evaluates the performance of an investment by comparing its returns to the risk taken, specifically using beta, which gauges market volatility. His contributions helped lay the groundwork for modern portfolio theory and improved investment strategies. Treynor also emphasized the importance of risk management in investment decision-making, making his work relevant for both institutional investors and individual traders in understanding how to achieve better returns relative to risk.