The Treasury offered to buy $6bn of its bonds. It took $5.19bn.
The one tool Washington has used to hold up its own bond market has now been tried in public, and investors answered by selling more.
The Treasury Department, which borrows the money the government spends, ran its first expanded buyback on Thursday: it had said it would buy back up to $6bn of its own bonds due in ten to twenty years, and it bought $5.19bn (Bloomberg). Buying bonds back is meant to push their prices up and borrowing costs down. Instead, by the close, the interest rate the government pays to borrow for two years had risen 0.16 percentage points to 4.59%, the largest one-day jump since the tariff selloff of April 2025; the ten-year rate was up 0.12 points to just under 4.95%; and the thirty-year closed at 5.37%, its highest in 19 years. The lever was pulled and the price went the other way. Why would a buyer trying to push prices up buy less than it said it would? A buyback is an auction run backwards. The banks that trade government bonds offer to sell them, and the Treasury accepts the offers it judges fairly priced, up to a ceiling. Taking less than the ceiling means the Treasury refused to pay what some of them asked. That is sensible housekeeping for anyone managing debt. It is also a message, that this is not a buyer who will pay any price, and the market heard the message rather than the housekeeping. "Bessent is bringing a squirt gun to a firefight," said George Catrambone of DWS Americas. Two things about how the money actually moves. The buybacks are paid for by selling short-term bills, so they swap long debt for short debt without reducing the total, and no new buyer appears. And the same afternoon the Treasury sold $22bn of new thirty-year bonds at 5.308%, the highest rate at any such auction since 2001, to what the FT called strong demand (FT). Nothing failed. There are still buyers for American debt; they are charging more for it. A $5bn purchase set against $22bn of fresh thirty-year selling on the same day was never going to change the price. The sharpest move was not in the long bonds. The two-year rate jumped because Brent crude hit $107 a barrel, August prices charged by producers came in at 5.4%, and traders moved to roughly 70% odds that the Federal Reserve, America's central bank, which sets interest rates, raises them next week. So the Treasury is buying long bonds to bring their rates down in the very week the Fed is expected to push the short rate up. Whether the two arms of government are working against each other depends on whether long rates are rising because of inflation or because of the sheer amount of debt on offer. Thursday said both. Eit