U.S. and Japan’s Currency Intervention Impacts Dollar-Yen Exchange Rate

The U.S. dollar experienced a significant drop against the Japanese yen on Monday, following confirmations from U.S. President Donald Trump and Japan’s finance minister about market interventions. Prior to this, the dollar was exchanging above 163 yen, reaching a 40-year high. Upon signs of regulatory intervention, it dipped below the 160 yen mark. After the official announcement of the intervention, the dollar fell by approximately 1% to reach 156.34 yen. This shift marked a notable change in the exchange rate.

The sustained weakness of the yen against the dollar has been problematic for Tokyo. Given that Japan heavily relies on imports, a weak currency leads to higher prices and increased inflation. Earlier attempts in the year to strengthen the yen against the dollar had minimal effect. Recently, the U.S. was speculated to have assisted. President Trump, when questioned about the motive behind the U.S. intervention, highlighted the positive bilateral relationship. He stated, “We have a good relationship with Japan. We’re financially strong, and their yen is weakening. They sought help, and we’re always supportive of Japan. Japan has shown kindness to us, aside from the historical Pearl Harbor incident.” He further mentioned that the U.S. gained “financial benefit” from the intervention, describing it as a “signal of friendship” that benefits the world economy.

In Tokyo, Finance Minister Satsuki Katayama affirmed the intervention in a statement. He said that the finance ministry had collaborated with the U.S. Treasury Department to purchase yen. This move was to “counter excessive volatility and disorderly movements in the Japanese yen in recent months.” The ministry expressed its readiness to act again if needed.

Neil Newman, managing director and head of strategy at Astris Advisory Japan, noted such clear acknowledgment of market intervention is unusual. The last significant intervention followed the 2011 earthquake and tsunami in northeastern Japan.

A weaker dollar can boost the competitiveness of U.S.-made goods by lowering their costs in yen terms, which may increase American exports to Japan. Newman remarked, “It’s rare for Americans to cooperate with the Japanese on this, but their interests are aligned here.”

AP journalist Mari Yamaguchi in Tokyo contributed additional reporting to this story.