- The US Treasury will purchase up to $6 billion of longer-dated government debt on Thursday, targeting maturities of 20 to 30 years. The maximum is triple the $2 billion communicated to investors in early August, a plan discarded in a surprise August 19 announcement when the department said operations would at least double in size.
- Long-dated Treasuries extended their selloff on Wednesday after the announcement rather than rallying. The 30-year yield reached a session high of 5.38%, close to this month peak of almost 5.40%, which was the highest since 2007.
- The previous operation did not reach its ceiling. Treasury bought around $5.2 billion of debt maturing in 10 to 20 years against a $6 billion maximum, which officials attributed to a lack of competitive bids even though investors offered $10.5 billion of securities.
- Yields have risen worldwide on higher energy costs since the war with Iran began in late February, reversing the outlook for Federal Reserve policy and prompting Chairman Kevin Warsh to raise rates last week for the first time since 2023.
What Happened?
Treasury Secretary Scott Bessent has defended enlarging the buybacks against criticism that they amount to intervention without addressing underlying fiscal problems. He said on CNBC on Monday that he acted after concluding markets were moving away from equilibrium prices, and pointed out that 30-year yields rose only about a basis point between the August 19 announcement and September 21. Earlier Wednesday the Institute of International Finance warned that financial engineering does nothing about underlying debt dynamics, saying purchases of securities in the secondary market may offer temporary relief but cannot resolve the structural drivers of rising debt. Some market participants had expected an even larger operation given that the department guidance to at least double the size carried no stated ceiling.
Why It Matters?
The last operation tells you more than the announcement does. Treasury set a $6 billion maximum, investors offered $10.5 billion of securities, and the department bought only $5.2 billion because bids were not competitive. Supply was there; the prices holders wanted were not prices Treasury would pay. A programme intended to support the long end therefore could not deploy its full size, not because demand to sell was lacking but because sellers and the buyer disagreed on value. That sits awkwardly with Bessent argument that markets had moved away from equilibrium, since the operation itself suggests holders have a firm view of where the long end belongs. Wednesday price action makes the same point more directly: 20 to 30 year Treasuries extended their selloff after the announcement and the 30-year yield rose to 5.38%, which is the market moving against the intervention in real time. The metric Bessent cites also deserves examination. Defining success as 30-year yields rising only about a basis point over roughly five weeks is a modest claim, and it has since been overtaken by a move to within two basis points of the highest level since 2007. The IIF point is the structural one and it is correct on its own terms: buybacks change the maturity profile of outstanding debt, they do not change how much debt there is or what it costs to service. For allocators the practical reading is that the long end is being driven by energy-led inflation and a tightening Fed, and a $6 billion operation is small against those forces.
What Next?
Thursday operation is the immediate test, and the figure to watch is not the announced maximum but how much Treasury actually buys and how much investors offer. A second consecutive shortfall would confirm that the constraint is price rather than size, and would weaken the case for enlarging future operations further. Track whether the 30-year yield breaks above the 5.40% high set this month, since that would mark the highest level since 2007 and indicate the buybacks are not arresting the move. Bessent has left the guidance open-ended, so any further upsizing announcement is possible and would itself be a signal of how the department reads the last two operations. The underlying drivers remain oil and Fed policy, so the October Federal Reserve meeting and the unresolved Iran situation matter more to long-end yields than the operations themselves. Watch for further IIF or rating agency commentary on US debt dynamics, as that is where the structural critique would gain weight.
Affected Tickers and Coins: ZB
Source: Bloomberg
