美国财政部拍卖四周期国债，得标利率4.245%（7月17日为4.230%），投标倍数2.69（前次为2.91）。拍卖八周期国债，得标利率4.265%（前次为4.270%），投标倍数2.63（前次为2.60）。

Core Viewpoint - The U.S. Treasury conducted auctions for both four-year and eight-year government bonds, with slight changes in yield rates and bid-to-cover ratios compared to previous auctions [1] Summary by Category Four-Year Treasury Auction - The awarded yield rate was 4.245%, an increase from the previous rate of 4.230% [1] - The bid-to-cover ratio was 2.69, down from the prior ratio of 2.91 [1] Eight-Year Treasury Auction - The awarded yield rate was 4.265%, slightly lower than the previous rate of 4.270% [1] - The bid-to-cover ratio was 2.63, an increase from the previous ratio of 2.60 [1]