Finance Minister Satsuki Katayama and Finance Official Mimura pledged to take appropriate measures Thursday following a sharp depreciation of the yen [1].
Rapid currency fluctuations threaten Japanese economic stability by increasing the cost of imports and fueling inflation. The government's commitment to intervene suggests a low tolerance for the current volatility in the foreign exchange market.
The yen weakened to the mid-159 per U.S. dollar range [2]. This slide occurred amid a volatile global environment, though reports differ on the primary catalyst. Some data links the depreciation to heightened tensions in Iran [3], while other reports attribute the move to remarks made by U.S. President Trump [2].
During a press briefing held on the afternoon of April 30, Katayama addressed the market instability. She said that the government would take a full response at any time or in any case [3].
Finance Official Mimura joined the briefing to reinforce the ministry's stance. The officials said that they are monitoring the situation closely to determine if and when direct market intervention is necessary to stabilize the currency [1].
Japan has historically used a combination of verbal warnings and direct sales of U.S. dollars to prop up the yen. The current level of depreciation puts pressure on the Ministry of Finance to act decisively to prevent a runaway slide that could damage domestic purchasing power [1].
“The yen weakened to the mid-159 per U.S. dollar range.”
The Japanese government is signaling a readiness to intervene in the currency market to stop the yen's decline. By citing both geopolitical tensions in Iran and U.S. political rhetoric, the ministry acknowledges that the currency is being driven by external shocks rather than domestic fundamentals. This puts the Ministry of Finance in a position where it must balance market stability against the risk of triggering a trade conflict with the U.S. over currency manipulation.




