Treasury Secretary Scott Bessent announced on August 19 that the Treasury would at least double its buyback program for long-dated bonds, raising the maximum purchase from $2 billion to $4 billion per operation. The operations will also become more frequent from September 9 through November. The move followed a rise in long-term yields to a 19-year high, driven by persistent inflation, heavy corporate borrowing for AI infrastructure and geopolitical tensions linked to the conflict with Iran. Bessent said on CNBC on August 20 that "Yields don’t reflect the underlying fundamentals." Bond buybacks function like reverse auctions: The Treasury purchases its own outstanding debt in the secondary market, reducing the supply of those securities and potentially lifting prices while lowering yields. The initial market response pushed yields lower, but the 10-year Treasury yield settled around 4.7% by late August after only a partial reversal of the selloff. The program does not reduce the government’s borrowing needs, leaving the Treasury to buy back some bonds while issuing new debt to finance a growing deficit. Analysts say the expanded program may manage market sentiment without addressing the underlying fiscal pressure, and the September 9 launch will test whether the impact can withstand broader forces.