Japan's yen experienced a sharp surge of up to 3% on Thursday, marking the largest single-day gain in over three years, following reports of official government intervention in the currency market.
Official Intervention Details
The Nikkei reported that the Japanese government and the Bank of Japan executed a currency intervention on April 30. This action involved the authorities buying yen and simultaneously selling US dollars.
- Action Taken: Buying yen and selling dollars.
- Source: Nikkei, citing a government source.
- Context: The intervention occurred after the yen had weakened to levels not seen since July 2024.
Warnings of Market Action
Several high-ranking officials issued warnings suggesting that decisive action in the currency market was imminent, fueling speculation about intervention.
- Finance Minister Satsuki Katayama: She indicated that the timing for taking "decisive action" in the market was approaching, signaling potential support for the weakening yen.
- Atsushi Mimura (Top Currency Diplomat): Mimura also warned that the time for decisive action was near, noting an increase in "extremely speculative" movements within the currency market.
- Ministry of Finance Stance: The Ministry of Finance has previously threatened intervention across both currency and oil markets, and on Thursday, reiterated that action could be taken "on all fronts."
Market Reaction
The sharp strengthening of the yen impacted other major currencies:
- The US dollar was reported trading at 156.665 yen, marking a 2.3% drop by 13:34 GMT.
- This decline positioned the dollar for what was noted as its largest one-day drop since December 2022.
