在美国，30年国债收益率在1月30日创下了2.25%的历史低点（自1972年美联储系列债券诞生以来 ） 。
In the United States, the 30-year Treasury bond yield reached a record low (since the Federal Reserve series began in 1972) of 2.25% on January 30. The yield on the United Kingdom's 30-year government bond fell to 2.04% on the same day.