Reference and Arbitrage Exchange Rates for September

As an official notice of the Minister of Finance, the Bank of Japan's International Department published on August 20, 2026, the “Reference and Arbitrage Exchange Rates (Applicable During September 2026).” The subject is the reference and arbitrage exchange rates applicable during September 2026.

The document first presents the exchange rate based on the U.S. dollar, followed by arbitrage exchange rates against the yen for specific currencies. It also provides calculation methods and reference rates based on market rates during July 2026 for other foreign currencies.

For the currency of the United States, the reference exchange rate sets the rate at 163 Japanese yen per U.S. dollar. The arbitrage exchange rates are 116 yen per Canadian dollar for the currency of Canada, 24 yen per Chinese yuan for the currency of the People's Republic of China, 17 yen per Swedish krona for the currency of the Kingdom of Sweden, 201 yen per Swiss franc for the currency of the Swiss Confederation, 218 yen per pound sterling for the currency of the United Kingdom of Great Britain and Northern Ireland, and 186 yen per euro for the euro currency.

For other currencies, the market rate of the currency against the U.S. currency during July 2026 is arbitraged using the reference exchange rate. For currencies for which a market rate against the U.S. dollar is unavailable, the market rate against a currency with an arbitrage exchange rate is arbitraged using that arbitrage exchange rate.

For reference, market exchange rates during July 2026 are also provided. For example, 1 Australian dollar was 0.697 U.S. dollars, 1 New Zealand dollar was 0.578 U.S. dollars, 1 Singapore dollar was 0.775 U.S. dollars, 1 Hong Kong dollar was 0.128 U.S. dollars, 1 Malaysian ringgit was 0.245 U.S. dollars, and 1 Russian ruble was 0.0128 U.S. dollars.

The reference rates list 0.272 U.S. dollars per United Arab Emirates dirham, 0.000673 U.S. dollars per Argentine peso, 0.330 U.S. dollars per Israeli shekel, 0.000000730 U.S. dollars per Iranian rial, 0.0104 U.S. dollars per Indian rupee, 0.00555 U.S. dollars per 100 Indonesian rupiahs, 2.60 U.S. dollars per Omani rial, 0.274 U.S. dollars per Qatari rial, and 0.0672 U.S. dollars per 100 South Korean won.

In addition, market exchange rates against the U.S. dollar during July 2026 are listed for 100 Cambodian riel, 1 Kuwaiti dinar, 1 Kenyan shilling, 100 Colombian pesos, 1 Saudi riyal, 100 New Taiwan dollars, 100 Sri Lankan rupees, 1 Seychelles rupee, 100 Thai baht, 100 Tahitian Pacific francs, 1 Czech koruna, 100 Chilean pesos, 1 Danish krone, 1 Trinidad and Tobago dollar, 1 Turkish lira, 1 Nigerian naira, 100 Vanuatu vatu, 1 Papua New Guinean kina, 1 Bahraini dinar, 100 Hungarian forints, 100 Bangladeshi taka, 1 Fijian dollar, 1 Philippine peso, 1 Brazilian real, 1 Brunei dollar, 100 Vietnamese dong, 1 Venezuelan bolivar, 1 Peruvian nuevo sol, 1 Polish zloty, 1 South African rand, 1 Myanmar kyat, 1 Mexican peso, 1 Mauritian rupee, 1 Moroccan dirham, 1 Jordanian dinar, 100 Lao kip, 1 Romanian leu, and 100 Rwandan francs. Foreign currencies not listed above use the average market rate during the same period.