加息和口头警告均失效！日元崩跌，警惕圣诞惊魂！

Core Viewpoint - The Japanese yen is experiencing accelerated depreciation, with traders pushing it towards levels that may trigger official intervention, following the Bank of Japan's interest rate hike without clear guidance on future rate paths [1][3]. Group 1: Currency Movements - The USD/JPY exchange rate is trading above the 157 mark, potentially marking the largest single-day increase since early October and reaching its highest level in nearly a month [1]. - The EUR/JPY exchange rate hit a record high, increasing by 1.2% during the day [1]. Group 2: Government and Central Bank Responses - Japanese Finance Minister Shunichi Suzuki indicated that Tokyo will take appropriate measures to address any excessive volatility in the foreign exchange market, acknowledging significant one-sided fluctuations within short time frames [3]. - The Bank of Japan raised its policy interest rate from 0.5% to 0.75%, a move that had been anticipated by policymakers, yet traders sold off the yen following the announcement [3]. - Bank of Japan Governor Kazuo Ueda remained vague about the timing and pace of future rate hikes, leading to further depreciation of the yen [3]. Group 3: Market Outlook and Risks - Since the yen/USD exchange rate surpassed the 155 mark in November, traders have begun to consider the possibility of official intervention in the currency market [4]. - The last time Japanese authorities intervened was in July 2024, when the USD/JPY rate reached 161.96, the highest level since the mid-1980s [4]. - With the upcoming Christmas holiday likely leading to thinner market trading, the volatility of the yen may increase, raising the risk of intervention becoming a more realistic possibility [4].