Following last week's turbulent session in the US government debt market, bond investors are bracing for another trading week that could deliver even sharper price swings. In the first week after the Labor Day holiday, two key calendar events will take center stage — on Wednesday, the Treasury Department will unveil specifics of its expanded bond repurchase program set to launch the following day, with size potentially doubling or exceeding the prior cap; on Friday, August inflation figures will be released, data that Federal Reserve Chair Kevin Warsh and his colleagues view as the decisive factor in whether to raise rates this month. These two events will test the divergence between US monetary and fiscal policy — the Fed's hawkish lean toward tightening is pushing up short-end yields, while the Treasury's long-duration buyback operations aim to suppress long-term borrowing costs. The market now stands at the crossroads of these two forces, awaiting a clear directional signal.
Wednesday: Bessent's "Buyback Weapon" Takes Full Effect
On September 9, the Treasury will formally commence its expanded long-dated bond repurchase operations. On August 19, when the 30-year Treasury yield surged to its highest level since 2007, Bessent announced a "at least doubling" of liquidity support buybacks for 10- to 30-year maturities, raising the per-operation size from $2 billion to at least $4 billion. More notably, the Treasury's wording of "at least double" leaves Bessent ample room for further expansion. Tim Musial, head of fixed income at CIBC Private Wealth, noted that unlike fundamental factors such as economic growth and inflation, the Treasury's buyback program is "hard to predict," advising investors to "perhaps reduce some risk tolerance." During the tentative schedule from September 9 to November 4, total buybacks for 10- to 30-year Treasuries could reach up to $14 billion, with individual operations potentially peaking at $16.5 billion. If actual repurchase volumes far exceed $4 billion per operation, this could act as a catalyst for pushing bond prices higher.
However, Bessent's move has sparked market controversy. His former mentor, billionaire investor Stanley Druckenmiller, publicly criticized the intervention as "price management disguised as liquidity support," arguing that "a government that props up prices against fundamentals will ultimately fail." Nevertheless, the funds are ready — as market observers put it, "the buyback money is in place; if you short, we'll buy — you've been warned."
Friday: CPI to Settle the September Rate Hike Debate
While the buyback program represents the fiscal side's attempt to underpin long-end yields, Friday's CPI data could directly determine the trajectory of monetary policy. The August nonfarm payrolls report has already released a strong signal — 162,000 new jobs added, nearly three times the market expectation of 56,000. In response, according to the CME FedWatch tool, market-implied probability of a September rate hike has climbed to roughly 60%. But Warsh has made clear that inflation data will be the ultimate determinant. Wall Street remains sharply divided: BofA Securities projects a 0.22% month-over-month rise in core CPI, arguing inflation remains elevated enough to support a September hike; Citigroup forecasts core CPI growth of just 0.18%, suggesting a hike may not be necessary; Morgan Stanley expects a 0.23% monthly core CPI increase but believes the Fed will hold rates steady. Economists broadly forecast August CPI to rise 3.4% year-over-year, with core CPI up 2.4% annually.
Fed Governor Waller is viewed by the market as the key swing vote for the September meeting. According to BofA analysis, Waller's implied threshold for voting for a hike is core PCE exceeding 0.30% month-over-month. BofA forecasts core PCE at approximately 0.24%, below that threshold, yet still believes that with Warsh's backing, a sufficient majority within the committee could support a rate increase. Citigroup, meanwhile, argues that Waller's recent remarks have raised the bar for what constitutes "overheating" inflation, suggesting that any monthly core reading that still rounds to 0.2% could be mild enough. CIBC's Musial described the payrolls report as "just the appetizer" — "the main course arrives when inflation data is released on September 11."
Contending Policy Forces
These two events lay bare the deepest tension in the current US market: monetary and fiscal policy are pushing in opposite directions. Warsh stated clearly at Jackson Hole that "the Fed's primary focus at this point should be prices." The Fed's actions lean toward pushing short-term yields higher through rate hikes to curb inflation. Meanwhile, Bessent's buyback program aims to suppress long-term borrowing costs — with the 30-year Treasury yield still hovering near 5.25% last week. As the Fed attempts to tighten financial conditions, the Treasury is using repurchase operations to ease long-end rates. Investors will digest these two contradictory forces simultaneously this week. Short-term Treasuries may come under pressure from rising rate-hike expectations, while long-term bonds could find support from the buyback program's backstop effect — how the yield curve evolves will depend on which force ultimately prevails.
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