Coordinated dollar-yen intervention by US and Japan first since 2011
Developed over time first seen 2 months ago
Japan and the United States carried out a coordinated intervention in currency markets on 3 August 2026, the first joint action of its kind between the two countries since 2011, after the yen fell to a forty-year low against the dollar. The Japanese Finance Ministry and the US Treasury jointly bought yen to arrest its slide, a rare display of policy alignment that underlined how seriously both governments viewed the risks posed by the currency's prolonged weakness.
The intervention was aimed chiefly at curbing imported inflation in Japan, where a persistently weak yen had pushed up the cost of foreign goods and squeezed households. The move had an immediate effect, with the dollar dropping sharply against the yen in its aftermath. The scale and rarity of the coordinated response reflected mounting concern over the economic strain caused by the yen's sustained depreciation, and marked a notable moment of joint monetary policy action between Tokyo and Washington.
- Japan and US jointly bought yen, first such action since 2011
- Move followed yen's fall to a forty-year low against dollar
- Dollar fell sharply against yen immediately after intervention
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Japan and the United States sometimes act together to influence the value of the yen against the dollar, buying yen on the open market to support its price. This kind of joint intervention is unusual and had not happened between the two countries since 2011, which is why it is being noted now. It comes after months of the yen weakening steadily, reaching its lowest level against the dollar in around forty years.
A weak yen makes imported goods, including fuel and food, more expensive for Japanese households and businesses, adding to inflation pressures. The Japanese Ministry of Finance, which sets currency policy, and the US Treasury are the two bodies involved, and their willingness to act together is seen as a signal of shared concern about the risks the weak yen poses to both economies.
Currency interventions like this are relatively rare tools, usually reserved for moments when policymakers judge that market moves have become too rapid or extreme to leave unaddressed. Because the dollar and yen are among the world's most traded currencies, changes in their exchange rate can affect trade, investment and prices well beyond Japan and the US.
Coverage
- BBC World — US and Japan take action to prop up yen in rare joint move
- NPR — U.S. dollar weakens sharply against the Japanese yen after market interventions