1 day ago
19
Stanley Druckenmiller, one of the most successful macro investors of the past four decades, published an op-ed in the Financial Times arguing that US borrowing costs remain low by historical standards and that attempts to artificially suppress long-term yields are a mistake. His core prediction: the 10-year Treasury yield, currently hovering around 4.7%, is heading to 5.50%.
The piece amounts to a very public breakup letter to Treasury Secretary Scott Bessent, whom Druckenmiller mentored for years.
The buyback controversy
Druckenmiller’s critique centers on a specific policy move. On August 19, the US Treasury doubled its long-dated bond buybacks from $2 billion to at least $4 billion per operation. The stated goal: ease downward pressure on long-term yields and smooth out the government’s borrowing costs.
Druckenmiller sees this as treating symptoms while ignoring the disease. With federal debt now exceeding $40 trillion and the deficit running near 6% of GDP at full employment, he argues the government should be confronting its spending problem rather than engineering lower rates through market intervention.
The chairman of Duquesne Family Office pointed out that the 10-year yield at 4.7% still roughly tracks the economy’s nominal growth rate.
“If the 30-year must trade at 5.5% to clear, that isn’t a crisis. It is an invoice.”
The numbers behind the warning
Net interest payments on federal debt are projected to exceed $1.1 trillion in fiscal 2026, a figure that now surpasses the entire defense budget.
The 10-year yield has climbed roughly 50 basis points since the start of the year. The 30-year yield has pushed even higher, reaching levels around 5.22% with an August peak of 5.335%.
Running a deficit near 6% of GDP would be defensible during a recession. The US economy is not in a recession. Unemployment sits at 4.1%, which by most measures qualifies as full employment.
Druckenmiller’s emphasis on addressing the primary deficit, the gap between spending and revenue before interest costs, reflects a view that the US has a narrow window to course-correct before compounding interest payments consume an ever-larger share of the federal budget.
A mentor breaks with his protégés
Druckenmiller has served as a mentor to both Treasury Secretary Scott Bessent and Federal Reserve Chair Kevin Warsh. His track record, including the legendary bet against the British pound in 1992, gives his macro calls an outsized influence on how institutional money managers think about positioning.
Bessent’s Treasury has pursued a strategy of using buybacks and maturity management to keep long-term borrowing costs contained. Druckenmiller’s counter-argument is that this creates a dangerous feedback loop: artificially low yields encourage more borrowing, which increases the debt, which eventually forces yields higher anyway.
What this means for markets
If Druckenmiller’s 5.50% target on the 10-year materializes, higher long-term yields raise the cost of capital for every business in America. Mortgage rates climb. Corporate borrowing gets more expensive. The discounted cash flow models that underpin equity valuations get less generous.
Disclosure: This article was edited by Editorial Team. For more information on how we create and review content, see our Editorial Policy.
English (US) ·