Hang Seng Index | historical charts for HSI to see performance over time with comparisons to other stock exchanges. Hang Seng Index Historical Prices Find Historical End-of-Day Hang Seng Index prices on the Price History page. For more data, Barchart Premier members can download historical Intraday, Daily, Weekly, Monthly or Quarterly data on the Hang Seng Index Historical Download tab, and can download additional underlying chart data and study values using the Interactive Charts. 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). The current price is updated on an hourly basis with today's latest value. View historical closing prices for Hang Seng Index (HSI). See each day's opening price, high, low, close, volume, and change %.