大反转！日本、美国突然联手干预日元

Core Insights - The collaboration between the U.S. and Japan to intervene in the yen's depreciation has become a focal point, with the yen strengthening significantly from around 159 to a four-week high of 155.7, marking an increase of over 1.6% [1] Group 1: Currency Intervention - The New York Federal Reserve conducted a "rate check" on the USD/JPY exchange rate, which may indicate a potential intervention by U.S. and Japanese monetary authorities after weeks of a strong dollar against the yen [2] - The "rate check" serves as a signal tool for monetary authorities to indicate readiness to intervene in the market, particularly when volatility increases and verbal warnings are insufficient [4] Group 2: Market Reactions - Traders have been on alert for potential intervention as the yen approaches the critical level of 160 yen per dollar, with speculation rising regarding the readiness of Japanese authorities to act [3] - Japanese Prime Minister Fumio Kishida has warned of necessary measures to address speculative and extreme volatility in the currency market, indicating a lower tolerance for such fluctuations compared to previous administrations [4] - Analysts suggest that the news of the rate check may deter further short positions on the yen, which have reached their highest levels in over a decade [4]