US 30-Year Treasury Auction Tails as Demand Weakens, Sending Yields to Multi-Year Highs

The Treasury sold $25 billion in 30-year bonds Thursday at a high yield of 5.441%, producing a 0.4-basis-point tail above the 5.437% when-issued yield, a signal that investors demanded a modest concession to absorb the supply. The bid-to-cover ratio fell to 2.36 from 2.54 at the prior auction, while indirect bidders, typically a proxy for foreign demand, took 68.1% of the offering versus 72.3% previously. Direct bidders claimed 20.5%, down from 20.9%, and primary dealers were left holding 11.39%. The result was widely described as mediocre to below average, capping a $125 billion refunding package that also included $58 billion and $42 billion note sales earlier in the week.

The weak auction accelerated a broader Treasury selloff already in motion. The 10-year yield climbed above 5.10%, a level economist Mohamed El-Erian flagged mid-session as part of a broad-based domestic and international rate rise. The 30-year yield added roughly 8 basis points on the day to reach 5.44%, and bond yields recorded their biggest single-week surge since 2022. The move reflected a hawkish recalibration driven by persistently sticky inflation, with October core CPI rising 0.3% for a third consecutive month, and hawkish commentary from Federal Reserve officials that markets interpreted as raising the probability of accelerated rate increases.

The rate surge reverberated across asset classes. Gold fell sharply to its lowest level in more than a year, pressured by a dollar index that climbed to a fresh 19-month high. Stocks ended lower, with Nvidia dropping 4.3% after news of Jensen Huang's exit adding to pressure from rising yields on rate-sensitive equities. European bonds followed Treasuries lower. Separately, the US government stood $716.8 billion away from the $41.1 trillion borrowing limit as of November 10, adding a fiscal overhang to the already-stressed rate environment.