What Is the Hang Seng Index (HSI)? Definition and Statistics

indexhangseng_ hsi The Hang Sen40 Index (HSI) is market value-wehted index, compiled of a selection of the largest companies in Hong Kong. It makes up 67% of capitalization in the Hong Kong Stock. Get HANG SENG INDEX (.HSI) real-time stock quotes, news, price and financial information from to inform your trading and investments

indexhangseng_ hsi, The Hang Seng Index (HSI) is a benchmark index made up of the largest and most liquid companies that trade on the Hong Kong Stock Exchange, or HKEx. As of December.