Last year, Jefferies Financial Group Inc generated 3.79B USD for its biggest-performing segment, Investment Banking Underwriting & advisory. The Americas made the largest contribution, accounting for 5.01B USD last year. For the latest quarter, Jefferies Financial Group Inc reported the revenue of 1.20B USD for the period ending 2026-05-31, which came from the top-performing segment, Investment Banking Underwriting & advisory. Americas contributed the highest revenue, at 1.53B USD.