The Canadian Dollar (CAD) is the official currency of Canada and has been in circulation since 1858. It is represented by the ISO 4217 code CAD, and its symbols include $ or C$. The issuance and management of the Canadian Dollar are the responsibility of the Bank of Canada. Currently, there are banknotes in denominations of 5, 10, 20, 50, and 100 dollars, along with coins in values of 1, 5, 10, 25, 50 cents, and 1, 2 dollars.As Canada has consistently been one of the preferred destinations for Hong Kong residents for both tourism and immigration, the demand for exchanging Canadian dollars has been consistently high. All currency exchange stores in Hong Kong facilitate the exchange of Canadian dollars.

The Australian Dollar (AUD) is the official currency of Australia, and it has been in circulation since 1966. It is represented by the ISO 4217 code AUD, and its symbol is commonly denoted as A$. The issuance and management of the Australian Dollar are the responsibility of the Commonwealth Government of Australia. Currently, there are banknotes in denominations of 5, 10, 20, 50, and 100 dollars, along with coins in values of 5, 10, 20, and 50 cents, as well as 1 and 2 dollars.The Australian Dollar ranks sixth globally in terms of trading volume, and the majority of money changers in Hong Kong support both buying and selling of the Australian Dollar.