The 20/30-year U.S. Treasury yield rose by more than 5 basis points on the day the U.S. CPI inflation data was released, as investors also focused on oil prices and Yellen's new debt supply

On Wednesday (December 11), at the close in New York, the yield on the U.S. 10-year benchmark Treasury bond rose by 3.89 basis points to 4.2652%. After the U.S. CPI inflation data was released at 21:30 Beijing time, it significantly plummeted, hitting a daily low of 4.1992% at 22:41 (early in the U.S. stock market). It then rebounded, with the results released at 02:00 showing a strong 10-year Treasury auction, with the bid-to-cover ratio reaching a new high since 2016, and the yield hitting a daily high of 4.2750% at 03:00. The yield on the 2-year Treasury bond rose by 1.02 basis points to 4.1532%, reaching a daily high of 4.1741% at 21:17 (less than a quarter of an hour before the U.S. CPI data was released). After the data was published, it plummeted and refreshed its daily low at 22:41 to 4.0969%, before gradually rebounding