【三菱日联：新台币的这波上涨，堪称是“19个标准差的事件”】金十数据5月5日讯，三菱日联银行将新台币的这波上涨形容为"19个标准差的事件"。对于熟悉统计学的人来说，“19个标准差事件”意味着几乎不可能发生的事情。结果是，它居然真的发生了。新台币在5月2日（上周五）创下1983年以来单日最大涨幅，甚至可能是历史新高，全周累计升值5.5%。整个亚洲汇市也随之走强，其中韩元上涨1.7%、马来西亚林吉特1.4%、新加坡元1%、印尼盾1%，离岸人民币0.9%。这波台币的“超级行情”之所以被定义为19个标准差的极端事件，凸显它的罕见性，背后推升的关键原因包括：关税议题迎来转机，显著提振了亚洲市场情绪；美股科技巨头财报亮眼，激发全球风险偏好；台湾最新GDP数据强劲，加上单日高达12亿美元的外资买超，为台币提供实质支撑；保险业避险操作加剧，大型机构被迫调整部位；节后市场流动性较低，加上出口商急于换汇。
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