The Hong Kong Dollar is a popular currency among investors and financial markets. It is a free-floating currency, meaning its value is determined by the forces of supply and demand. Investors use the Hong Kong Dollar to capitalize on the stability and liquidity of the Hong Kong financial market, as well as the city's proximity to the Chinese mainland. It is also a currency for international payments and is accepted by many major banks and financial institutions. The Hong Kong Dollar is often used as a hedge against currency fluctuations and as a safe haven for investors.