Get historical data for the HANG SENG INDEX (^HSI) on Yahoo Finance . View and download daily, weekly or monthly data to help your investment decisions. Explore the complete Hang Seng historical data , offering detailed insights into daily prices, including open, high, low, volume, and percentage changes. Use this data to analyze long-term market... Interactive daily chart of the Hong Kong Hang Seng Composite stock market index back to 1986. Each data point represents the closing value for that trading day and is denominated in hong kong dollars (HKD). Analyze past performance trends, track price movements, and explore historical data to inform your investment decisions.