Hong Kong HSI Index increased 391 points or 1.91% to 20827 on Thursday June 30 from 20436 in the previous trading session. Hong Kong HSI Index lost 5455 points or 20.76 percent during the last 12 months from 26,282.32 points in July of 2015. Historically, the Hong Kong Stock Market (HSI) reached an all time high of 31638.22 in October of 2007 and a record low of 58.61 in August of 1967. The Hang Seng is a major stock market index which tracks the performance of around 50 largest companies listed in the Stock Exchange of Hong Kong. It is free floating, capitalization-weighted index. The Hang Seng has a base value of 100 as of June 31, 1964. This page provides – Hong Kong Stock Market (HSI) – actual values, historical data, forecast, chart, statistics, economic calendar and news.