The Hang Seng ESG 50 Index is a Hong Kong equity benchmark maintained by Hang Seng Indexes Company Limited. It tracks the performance of 50 large and liquid Hong Kong–listed companies recognized for leading environmental, social, and governance (ESG) practices across multiple sectors.
Constituents are selected from the broader market using size and liquidity criteria alongside ESG assessments and controversy screening aligned with international standards. The index is free-float market-capitalization weighted with diversification caps, offering a representative gauge of ESG leaders in the Hong Kong market. It serves as a reference for ESG-focused analysis and as an underlying benchmark for investment products.