Hang Seng Indexes Company Limited (Hang Seng Indexes), a wholly-owned subsidiary of Hang Seng Bank, was established in 1984 and is Hong Kong's leading index compiler covering Hong Kong and mainland China markets. Hang Seng Indexes calculates and manages the Hang Seng Family of Indexes. Starting in 1969 with the creation of the Hang Seng Index, now widely recognised as the barometer of the Hong Kong stock market, Hang Seng Indexes has been at the forefront of the market, developing numerous market measures to help investors make their investment decisions. Indexes in the Hang Seng Family of Indexes are grouped into five categories - Market Cap-weighted Indexes, Factor & Strategy Indexes, Sector Indexes, Sustainability Indexes and Fixed Income Indexes - then classified as Hong Kong-listed, Cross-market or Mainland-listed according to where their constituents are listed. Currently, the Hang Seng Family of Indexes comprises over 1500 real-time and daily indexes. Going forward, Hang Seng Indexes will continue to broaden its index series to meet the widening spectrum of investor demand for index investment solutions.