The Thai Baht (THB) is the official currency of Thailand, first introduced in 1897. It is identified by the ISO 4217 code THB and is commonly represented by the symbol ฿. The issuance and management of the Thai Baht are overseen by the Bank of Thailand, the central bank of Thailand. Currently, there are banknotes in denominations of 20, 50, 100, 500, and 1000 baht, along with coins in denominations of 1, 2, 5, and 10 baht. Thailand has consistently been a popular travel destination for Hong Kong residents. According to statistics from the Tourism Authority of Thailand, in the entire year of 2023, over 220,000 Hong Kong people traveled to Thailand. The Thai Baht has become an essential currency at local currency exchange stores.

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.