Overview of GICS and S&P U.S. Sector Indices

This document is a guide that provides an overview of the Global Industry Classification Standard (GICS) and its application within the S&P U.S. Sector and Select Industry Indices. GICS, developed by S&P Dow Jones Indices and MSCI in 1999, serves as a standardized framework for classifying industries, facilitating sector-based benchmarks and investment analysis. The guide outlines the key features of GICS, including its universal applicability, flexibility, reliability, and its evolving nature to reflect global market conditions. It explains the significance of sector classification in analyzing risk and performance, emphasizing how companies with similar business activities are grouped for comparative analysis. The document details the hierarchical structure of GICS, which includes 11 sectors and various sub-industry classifications. Additionally, it discusses the role of GICS in the construction of S&P U.S. Sector and Select Industry Indices, highlighting the methodologies used for index membership and performance measurement.