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.

The Russian Ruble (RUB) is the official currency of Russia, first introduced in 1992. It is identified by the ISO 4217 code RUB and is commonly represented by the symbol ₽. The issuance and management of the Russian Ruble are overseen by the Bank of Russia, which is the central bank of the Russian Federation. Currently, circulating banknotes include denominations of 5, 10, 50, 100, 200, 500, 1000, 2000, and 5000 Rubles. There are also coins in denominations of 1, 2, 5, and 10 Rubles, as well as 1, 5, 10, and 50 Kopecks. The Kopeck is the subsidiary currency of the Russian Ruble, with 100 Kopecks being equivalent to 1 Russian Ruble. According to Passto's statistics, there are 8 money changers across Hong Kong where you can buy and sell Russian Ruble.