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Treasury doubles long-end buybacks, analysts flag more USD downside
MUFG, UBS, and BBH say the move from $2 billion to $4 billion to cap long-end yields could undermine fiscal credibility and boost the perception the Treasury is managing rates.
The US dollar extended its slide after the US Treasury unexpectedly doubled its long-end bond buybacks to $4 billion from $2 billion, a step intended to push down long-term borrowing costs, according to FXStreet. The initial announcement sparked a sharp rally in Treasuries and pulled 10-year yields lower, but analysts said market focus has shifted quickly toward whether the policy could be read as a signal about fiscal credibility rather than routine liquidity management.
MUFG, UBS, and Brown Brothers Harriman warned that using debt swaps to cap long-end yields risks portraying official discomfort with rising borrowing costs. Even if the buybacks help contain yields, the dollar could face increased downside pressure as global investors weigh the message behind the intervention.
UBS said the larger purchases eased borrowing costs that were intensifying the US debt service and affordability crisis, and it framed the policy as a countermeasure to market fallout from geopolitical conflicts and tariff measures. BBH added that the timing, coming not long after 30-year yields reached their highest level since 2007, may raise concern the Treasury is intervening to manage yields rather than improve liquidity, which could further weigh on the dollar, FXStreet reported.