随着收益率攀升至数十年来的高点，日本保险机构在5月抛售国内超长期政府债券，扭转了财年初的买入趋势。

　　日本证券交易商协会数据显示，本土保险公司当月净卖出2012亿日元（约12.5亿美元）期限在10年以上的日本国债。此前在财年首月4月，其曾净买入3272亿日元。

　　尽管5月日本国债收益率升至多年高位，但市场对日本央行可能无法迅速收紧政策以遏制通胀的担忧，削弱了债券吸引力。同时，首相高市早苗的扩张性财政政策以及偏好宽松货币的立场，也加重了市场疑虑。

　　SMBC日兴证券高级利率策略师Miki Den表示：“5月收益率大幅上升且波动较高，投资者可能因此转为观望。4月表现较为特殊，因为处于财年开端，投资者预算空间更为充裕。”

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责任编辑：王永生

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