Billionaire investor Stanley Druckenmiller has warned that the Treasury’s expanded bond-buyback program could weaken an important market discipline mechanism and potentially amplify financial risks.

Druckenmiller, who previously mentored Treasury Secretary Scott Bessent, argued that governments cannot permanently push against the economic forces that determine asset prices.

His comments followed the Treasury’s decision to increase its purchases of longer-dated government bonds to $4 billion. The program is designed to support liquidity and ease pressure on long-term borrowing costs, which have recently reached their highest levels since 2007.

Druckenmiller said the intervention may provide temporary support but cannot resolve the fundamental factors behind higher yields. He pointed to strong nominal growth, persistent budget deficits and the rising U.S. government debt burden, which has exceeded $40 trillion.

In an opinion piece published by The Wall Street Journal, Druckenmiller argued that governments ultimately lose when they try to keep prices disconnected from market fundamentals. He also described rising interest rates as an important warning signal, saying efforts to artificially suppress them could increase future risks.

He maintained that financial markets are more effective than government committees at processing information and setting prices. Long-term Treasury yields, he said, act as a natural limit on government borrowing because higher rates increase the cost of accumulating debt.

If that market constraint is weakened, Druckenmiller believes policymakers may face less pressure to control spending and maintain fiscal discipline.

Buybacks May Not Be Necessary

Druckenmiller also questioned whether the Treasury needs to intervene at current yield levels. He argued that the 10-year Treasury yield is roughly consistent with nominal economic growth, meaning financial conditions are not particularly restrictive.

He said conditions would become genuinely restrictive only if Treasury yields moved above the economy’s nominal growth rate.

The 10-year Treasury yield has risen about 50 basis points this year to approximately 4.70%. The 30-year yield is up around 34 basis points at 5.22%, after briefly reaching 5.335%, its highest level in roughly 19 years.

Treasury yields have remained relatively stable since the expanded buyback announcement, while Bitcoin and gold have rallied as investors speculate that additional government intervention could be coming.

Druckenmiller’s view is shared by analysts who expect the buyback program to provide temporary support for bonds without reversing the broader trend in long-term yields.

In that sense, the Treasury’s strategy could offer short-term relief while leaving the larger fiscal and economic pressures facing the bond market unchanged.