FTSE Fixed Income Index Methodology Guide

The FTSE Fixed Income Index Guide, version 3.1, published in June 2026, serves as a comprehensive resource detailing the methodology for FTSE's global fixed income indices. The guide outlines the flagship global indices, including various government bond indices and thematic indices, which are essential for institutional and retail investors. It describes the management responsibilities of FTSE International Limited as the benchmark administrator, including the calculation, production, and operation of the indices. The guide also discusses the role of external advisory committees in providing feedback to evolve index methodologies and the process for amending these methodologies. Regular reviews are conducted to ensure the guide reflects the aims of each index. The document emphasizes the importance of adhering to established ground rules and principles in the management of the indices, ensuring transparency and integrity in the benchmark processes.