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 South Korean Won is the offical currency of South Korea, with issuance starting in 1945. Its ISO 4217 code is KRW, typically represented by the symbol ₩. The Bank of Korea, South Korea's central bank, is responsible for issuing and managing the currency. Currently, there are banknotes in denominations of 1,000, 5,000, 10,000, and 50,000 Korean Won, along with coins in values of 1, 5, 10, 50, 100, and 500 Korean Won. South Korea is a popular travel destination for Hong Kong residents. Before the pandemic, an average of 680,000 Hong Kong people visited South Korea annually, leading to a strong demand for the exchange of Korean Won. Currently, all money changers in Hong Kong offer the service of exchanging currency to Korean Won.