The Singapore Dollar (SGD) is the official currency of Singapore, first introduced in 1967. It is identified by the ISO 4217 code SGD and is commonly represented by the symbols $ or S$. The issuance and management of the Singapore Dollar are overseen by the Monetary Authority of Singapore. Commonly used banknote denominations include 2, 5, 10, 50, and 100 dollars. Additionally, there are coins in denominations of 5 cents, 10 cents, 20 cents, 50 cents, and 1 dollar. All money changers in Hong Kong facilitate the buying and selling of Singapore Dollar.

The Japanese Yen is the circulating currency of Japan, with issuance dating back to 1871. Its ISO 4217 code is JPY, and it is commonly represented by the symbols ¥ or 円. The Bank of Japan is responsible for the issuance and management of the Japanese Yen. Currently, there are banknotes in denominations of 1000, 5000, and 10,000 Yen, along with coins in values of 1, 5, 10, 50, 100, and 500 Yen. Japan has consistently been a popular travel destination for Hong Kong residents, with the number of Hong Konger traveling to Japan reaching 2.11 million in 2023. The demand for Japanese Yen exchange has remained high. Currently, all money changers in Hong Kong facilitate the exchange of Japanese Yen.