U.S. Treasury yields climbed to their highest levels in nearly three years even after the Treasury increased the size of a long-dated bond buyback, underscoring how persistent selling pressure in the government debt market has become ahead of the August Consumer Price Index release.
The Treasury raised the maximum size of a single long-term bond repurchase operation to $6 billion, up from $4 billion previously communicated. The move followed its Aug. 19 announcement that long-bond buybacks would increase from $2 billion to at least $4 billion per operation. Yet the larger purchase did little to reverse the market’s direction: the benchmark 10-year Treasury yield rose as high as 4.85%, its highest level since November 2023, while the 30-year yield moved above 5.3%.
The mismatch places the focus on demand rather than the mechanics of one buyback operation. Treasury repurchases can improve liquidity in older securities and modestly ease market strains, but they do not remove the broader supply of government bonds that private buyers must absorb. Rising yields indicate that buyers are demanding greater compensation to hold long-dated U.S. debt.
Inflation data could intensify the bond-market selloff
Markets were positioned for the U.S. August CPI report, scheduled for 8:30 p.m. Beijing time, after producer-price data reinforced concerns that inflation could remain difficult to contain.
The U.S. Bureau of Labor Statistics reported that the Producer Price Index increased 0.4% in August from the previous month, matching forecasts. Annual producer inflation reached 5.4%, slightly above the 5.3% consensus expectation cited in the market report. July’s PPI increase was revised higher to 0.1% month on month from no change, while the annual figure was revised to 4.8% from 4.7%.
Oil prices have added another inflationary input. Brent crude traded above $100 a barrel and briefly reached $105, while diesel prices were reported to have risen 24.1% over the month. Higher fuel costs can move into consumer inflation through gasoline, freight, transportation and goods distribution, complicating the outlook for central banks already confronting elevated price pressures.
Interest-rate markets were pricing a 74% probability of a Federal Reserve rate increase in September, according to the supplied market estimates. In Japan, traders were assigning roughly a 97% probability to a 25-basis-point Bank of Japan rate increase next week, which would take the policy rate to 1.25%. The European Central Bank also raised its three key rates by 25 basis points, lifting its deposit facility rate to 2.50%.
A hotter-than-expected CPI result would likely put additional pressure on long-dated Treasuries, where yields have already risen sharply. One market scenario outlined before the release projected that if both headline and core inflation exceed expectations, September Fed hike odds could rise above 90% and the 10-year yield could test 5%.
Foreign reserve managers are reassessing Treasury exposure
Long-term Treasury demand also faces changes among major overseas holders. Norway’s sovereign wealth fund, which manages about $2.34 trillion in assets, proposed reducing the weight of government bonds in its benchmark index to 50% from 70%, according to a Sept. 1 letter to Norway’s finance ministry.
The proposed framework would cut the benchmark allocation to U.S. Treasuries to 21.9% from 34.1%. Given the fund’s reported Treasury holdings of roughly $215 billion, the adjustment implies that around $80 billion could ultimately be redirected, with corporate bonds and mortgage-backed securities receiving larger allocations.
The proposal does not amount to an immediate sale order, and benchmark changes can be implemented gradually. Yet it illustrates the pressure facing U.S. government debt as institutions review whether long-dated bonds offer sufficient returns for the interest-rate and fiscal risks involved.
Japan, the largest foreign holder of Treasuries, is also being closely watched as domestic yields rise. Japan’s Treasury holdings were listed at $1.143 trillion in May 2026 after a monthly decline of around $67 billion. Separate figures in the supplied report showed Japan and the United Kingdom reducing holdings by $26.4 billion and $8.7 billion, respectively, in June.
When Japanese government bonds offer higher yields, Japanese institutions have less incentive to take currency-hedged exposure to U.S. debt. That dynamic could make a traditionally reliable source of Treasury demand more sensitive to yield differentials and foreign-exchange hedging costs.
Deficits leave private buyers carrying more of the load
The fiscal backdrop is adding to the supply concerns. The Congressional Budget Office’s updated projections placed the fiscal 2026 federal deficit in a range of roughly $1.9 trillion to $2.1 trillion. The Committee for a Responsible Federal Budget said the federal government borrowed $2 trillion during the first 11 months of fiscal 2026.
Federal debt has moved above $40 trillion, while annual interest costs were cited at around $1.1 trillion. High borrowing needs require the Treasury to keep refinancing maturing debt while issuing new securities to fund the deficit. Corporate debt issuance adds another competing source of fixed-income supply, particularly when companies seek to lock in funding before rates move higher.
The result is a market increasingly dependent on private-sector buyers rather than central banks and reserve managers willing to buy bonds regardless of short-term price movements. That can make long-dated yields more volatile, especially around inflation data and major policy meetings.
Gold reacts to yields, but reserve demand offers support
Gold fell after the PPI release before recovering part of the move during the New York session. The metal touched an intraday low of $4,324.23 and was later quoted at $4,314.82, down 1.91% on the day. Higher Treasury yields generally weigh on non-yielding assets because they raise the return available from government debt.
Market scenarios tied gold’s near-term direction to the CPI outcome. A broad inflation surprise could push the metal toward $4,300, with $4,280 and $4,260 identified as further downside levels. A softer reading in both headline and core inflation could reduce yields and support a short-term rebound.
Longer-term central-bank buying provides a separate support factor. The World Gold Council reported that central banks bought 288.9 tonnes of gold in the second quarter of 2026, up 62.4% from a year earlier. The supplied report also said China had extended its gold-buying streak to 22 consecutive months, while South Korea resumed purchases after a 13-year pause.
The CPI release will offer the next immediate test for both Treasury yields and gold. A cooling inflation print could relieve pressure on long bonds, but it would not reduce the Treasury’s borrowing requirements or reverse the portfolio decisions now being considered by some of the world’s largest reserve managers.
For deeper insight into how CPI and rate expectations move markets, explore today’s CPI outlook and trading implications.
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