The Hong Kong Dollar is the official currency of the Hong Kong Special Administrative Region. In terms of investing and financial markets, the Hong Kong Dollar is used as a currency for foreign exchange trading and as a unit of account for stock trading. It is also an important currency for international trade and is used by many countries in the world. For investors, the Hong Kong Dollar provides an opportunity to diversify their portfolios and hedge against currency risk. Additionally, the Hong Kong Dollar is used as a pricing currency for many commodities and is an important benchmark for the Asian financial markets.