What Is Happening in the Bond Market
Long-term interest rates have climbed to levels not seen in nearly two decades. The 30-year Treasury yield touched 5.34% on Tuesday, its highest since 2007, and closed Thursday at 5.25%, with the 10-year near 4.70%. The main causes appear to be these: large federal deficits mean the government is selling a lot of bonds, inflation has been sticky at 3.4%, companies building AI data centers are issuing hundreds of billions in bonds of their own, and renewed pressure on Iran has pushed oil back toward $90, feeding the inflation worry. All of that supply is competing for buyers, and buyers are demanding more yield to lend for 30 years. Investors call that extra compensation the term premium, and it has been rising all summer.
One detail that matters: so far this has looked like an orderly repricing rather than a panic. The bond market’s version of the fear index, called the MOVE index, has remained near its lows for the year, and short-term rates have been calm. The pressure is concentrated in the longest maturities, where supply is heaviest. Stocks had largely taken it in stride, with the S&P 500 setting a record above 7,800 earlier this month, but the strain showed this week. The Dow fell about 700 points on Thursday, and Walmart shares dropped 9% after the company said customers are making trade-offs because of high gas prices. Stock futures are pointing higher this morning as markets try to find their footing.
The Treasury Steps In
On Wednesday the Treasury Department announced plans to at least double the size of its bond buyback operations, from $2 billion to $4 billion or more per operation, aimed at the 10-to-30-year part of the market where the selling pressure has been worst. The program runs from early September through early November. The initial reaction was positive: yields dropped and stocks bounced. But the relief lasted about a day. By Thursday’s close the 30-year yield had climbed back to 5.25%, roughly where it started, and Treasury Secretary Bessent said the operations could grow beyond $4 billion and that a broader fiscal plan is coming.
A quick explanation of what a buyback is. The Treasury uses cash to buy back older bonds that trade less frequently. That adds a steady buyer to the market, which should support prices and make it easier for everyone else to trade. It is not money printing and it is not the Federal Reserve stepping in. It is a plumbing fix. It helps the market function, but it does not change the underlying supply of debt, so it is relief rather than a cure. The market spent this week making exactly that point: a liquidity tool can smooth trading, but it probably cannot hold down yields on its own while deficits and bond supply keep growing.
Japan Is at the Center of This
The same story is playing out around the world, and Japan matters most for U.S. investors. Japanese government bond yields hit their highest level since 1996 this week. Japan’s central bank has raised rates to 1% and may go higher in September, while the new government is pursuing expensive spending plans with debt already above 200% of the country’s economic output.
Here is why that reaches your portfolio. Japanese institutions are the largest foreign holders of U.S. Treasuries, at roughly $1.24 trillion. For decades, low yields at home pushed Japanese money into U.S. bonds. Now that Japanese bonds pay a real yield again, some of that money is going home. Japanese investors sold about $30 billion of U.S. government bonds in the first quarter, the largest quarterly sale in four years. A long-time reliable buyer of our debt is buying less at the exact moment we are issuing more. That is probably a meaningful part of why long-term U.S. rates have been rising.
The Yen Intervention
The Japanese currency fell to a 40-year low against the dollar in late July, above 163 yen per dollar. In response, Japan and the U.S. did something that has not happened since 1998: they jointly bought yen to prop it up. Japan spent an estimated $50 billion plus. The U.S. contribution was smaller, but the signal was loud. The yen strengthened to about 155 before drifting back near 160, and markets are watching that level closely for another round.
The interesting part is why the U.S. joined. The intervention was reportedly structured so that Japan would not have to sell its U.S. Treasury holdings to raise dollars. In plain terms, Washington appears to have been protecting the U.S. bond market as much as the Japanese currency. It is another sign that officials are paying close attention to keeping the Treasury market functioning smoothly.
What This Means for Portfolios
For the first time in almost twenty years, long-term Treasuries pay more than 5%. For long-term investors, that looks more like an opportunity than a threat. Bond yields this high mean bonds can once again do their full job in a portfolio: meaningful income plus a cushion against stock market declines. Investors who have been holding shorter maturities while rates rose now have a chance to lock in attractive yields for years. Rebalancing back to long-term targets naturally adds bond exposure at yields not seen in nearly two decades.
None of this calls for dramatic moves. Yields could rise further in the near term, since the supply of bonds is not shrinking, so any additions are better made gradually than all at once. The Federal Reserve meets September 16, and Chair Warsh speaks at the Jackson Hole conference next week, both of which could move markets in either direction. For most clients, the right response to this environment is a small one: rebalance to your long-term targets, let the higher yields do the work, and leave the rest of the plan alone.
The Bottom Line
Higher long-term rates appear to be the market adjusting to more debt and sticky inflation. The calm in volatility measures and the willingness of the Treasury to act both suggest a repricing that is being managed, even if this week showed the tools have limits. Some of this could persist for a while, since deficits and bond supply are unlikely to shrink soon, and oil prices tied to the Iran situation add a swing factor in both directions. There is also a genuine bright side: savers and bond buyers are being paid more than they have been in years.
As always, the environment can shift quickly, and headlines about bond markets and currencies can sound alarming. Diversification across regions, sectors, and asset classes is built for exactly this kind of uncertainty. If your situation or goals have changed, please reach out. Otherwise, the best action remains the one we have recommended all along: stay invested, stay diversified, and let the plan do its work.
Disclosure
This material is provided by Gryphon Financial Partners, LLC (“Gryphon”) for informational purposes only. It is not intended as a substitute for personalized investment advice or as a recommendation or solicitation of any particular security, strategy, or investment product. Facts presented have been obtained from sources believed to be reliable, though Gryphon cannot guarantee their accuracy or completeness. Gryphon does not provide tax, accounting, or legal advice. Individuals should seek such guidance from qualified professionals based on their specific circumstances.