The 5.3% Problem 

The most important market signal right now may not be coming from stocks. It may be coming from the 30-year Treasury. 

On August 18, the 30-year yield touched 5.337% intraday, its highest level since 2007.¹ After easing briefly, Treasury’s official daily series put the 30-year yield back at 5.27% on September 1.²

I do not view 5.3% as a magical threshold where something suddenly breaks. But I do think it deserves attention. When investors require that kind of return to lend to the U.S. government for three decades, the question is what the market is pricing over a much longer horizon, in addition to what the Fed will do next. 

That includes inflation, fiscal policy, government borrowing, economic growth and the amount of capital competing for a home. 

When I put those pieces together, I see a common thread: capital is becoming more expensive, and there are more borrowers asking for it which could have long term implications 

More Debt Means More Supply 

The U.S. national debt crossed $40 trillion for the first time in August.³ The round number is not the number I would focus on by itself despite all of the headlines. 

The more important issue is the financing requirement behind it. 

The Congressional Budget Office projects a $1.9 trillion federal deficit in fiscal 2026, equal to 5.8% of GDP. Over the past 50 years, deficits have averaged 3.8% of GDP. Debt held by the public is projected to equal 101% of GDP this year.⁴ 

Remember, every deficit has to be financed. 

When the government spends more than it collects, Treasury has to issue more bills, notes and bonds. This becomes a supply-and-demand question. The market does not need to stop buying Treasuries for yields to rise. Investors can continue buying while simply demanding better compensation for absorbing more supply. 

Then the arithmetic starts feeding on itself. CBO expects net federal interest costs of about $1 trillion in 2026 and $2.1 trillion by 2036. ⁴ Higher debt creates higher interest expense. Higher interest expense contributes to larger deficits. Larger deficits require more borrowing. 

None of that means a U.S. debt crisis is imminent. But it does mean the price at which the government can finance itself matters more as the stock of debt grows. 

Inflation Changes the Required Return 

The second pressure is inflation. 

July CPI was 3.4% higher than a year earlier, while core inflation was 2.5%. Energy prices were up 14.7%, including a 24.6% rise in gasoline.⁵

For a 30-year bondholder, the important question is what inflation will average across the life of the bond. 

If investors gradually stop assuming that 2% inflation is the normal destination and begin pricing a structurally higher rate, the return they require from long-duration bonds changes with it. Given inflation has run over the 2% target for more than 5 years (65 months and counting), it is getting increasingly more difficult to believe that number. 

Geopolitical risk makes that calculation more difficult because energy remains one of the quickest channels through which an external shock reaches households and businesses. 

The U.S. is in a stronger position than it was decades ago. It has been a net total energy exporter since 2019.⁶ But that does not make the economy immune to global oil prices. Oil still affects transportation, freight, manufacturing and the cost of moving goods through the economy. 

Federal Reserve research on the 2022 oil shock estimated that higher oil prices accounted for almost one percentage point of the increase in headline inflation in the first quarter of that year and roughly half a percentage point for 2022 overall. The effect on core inflation was much smaller, at about 0.17 percentage points.⁷

That is an important distinction. Oil shocks do not automatically create lasting broad inflation. They can, however, make the path back to price stability harder. A long-term investor has to price that possibility. 

Policy Can Affect the Market, But Fundamentals Still Matter 

The pressure at the long end has already attracted a policy response. 

On August 19, Treasury announced that it would at least double the maximum size of certain long-end liquidity-support buybacks, from $2 billion to $4 billion per operation.⁸

The market initially responded. Treasury’s official 30-year yield fell from 5.28% on August 18 to 5.19% the following day. By August 21, however, it was back at 5.27%, and it stood at the same level on September 1.²

This is the distinction I think is important. Policymakers can influence market conditions. Treasury can alter the composition and liquidity of its financing. The Fed has enormous influence over short-term rates and can affect financial conditions more broadly. Though that influence is less over long term rates. 

But intervention does not remove the forces that created the pressure in the first place. 

If deficits remain large, inflation remains sticky and supply continues to grow, policy tools may change the path for a period of time without changing the underlying economics. 

AI Is Adding Another Demand for Capital 

This is where the story gets more interesting, because Washington is not the only large borrower competing for capital. 

The AI buildout is changing the cash-flow profile of some of the most profitable companies in the world. 

Amazon’s operating cash flow rose to $161.4 billion over the 12 months through June. Yet free cash flow moved from a positive $18.2 billion a year earlier to negative $7.6 billion. Amazon attributed the change primarily to a $66.1 billion year-over-year increase in purchases of property and equipment, reflecting investment in AI.⁹

Alphabet has also tapped capital markets directly. In June it raised $49.6 billion in net equity proceeds, with AI infrastructure and global compute among the stated uses. It also issued $20.3 billion of senior unsecured notes during the second quarter.¹⁰ 

Oracle raised $43 billion in debt and $5 billion in equity financing during fiscal 2026 to support its cloud infrastructure buildout. It expects roughly another $40 billion of debt and equity financing in fiscal 2027.¹¹

These are not distressed companies. That is not the point. 

The point is that historically cash-rich companies are directing extraordinary amounts of capital toward infrastructure at the same time the federal government is financing large deficits. 

From my view, there is a growing competition for capital. The more capital the system demands, the more important its price becomes. 

Stocks Can Be Strong While Bonds Send a Warning 

None of this has prevented equities from performing well. 

The S&P 500 gained 2.7% in August and entered September still close to its record levels.¹² That strength is not without fundamental support. 

FactSet reported that the “Magnificent 7” generated 118.5% year-over-year earnings growth in the second quarter. Investment gains at Alphabet and Amazon materially inflated that number, but even excluding those two companies, the group’s earnings growth was 43.2%. The other 493 companies in the S&P 500 produced 31.8% growth.¹³

So I do not think the right conclusion is that the equity market is ignoring reality. Strong earnings and higher bond yields can exist at the same time. What changes is the relative choice available to the investor. 

FactSet recently put the S&P 500 at about 20 times forward earnings, above its 10-year average of 19 times.¹⁴ Meanwhile, the 30-year Treasury has been yielding more than 5%. 

If a high-quality fixed-income asset can offer a return in that range, the hurdle rate for equities rises, especially for retirees, family offices and institutions where protecting capital can be just as important as maximizing upside. 

Stocks and bonds are not necessarily telling contradictory stories. Corporate profits can remain strong while bondholders simultaneously demand greater compensation for inflation and fiscal risk. 

Higher Yields Do Not Stay in the Bond Market 

The effects also reach people who never intend to own a 30-year Treasury. 

Freddie Mac put the average 30-year fixed mortgage rate at 6.66% on August 27.¹⁵ Census and HUD data showed new single-family home sales fell 10.5% in July from June.¹⁶

A mortgage around 6.5% to 7% creates a completely different affordability equation than a mortgage around 3%. 

The same principle applies to businesses. Refinancing costs rise. New projects must earn higher returns to justify the financing. Government budgets devote more resources to interest expense. And equity valuations must discount future cash flows at a higher rate. 

This is why I pay attention to the long bond. The yield does not stay inside the Treasury market. It eventually works its way through the price of homes, corporate balance sheets, capital spending and portfolio decisions. 

The Price of Capital Has Changed 

I am not arguing that a debt crisis is around the corner or that stocks must fall. 

AI may produce major productivity gains. Corporate earnings are strong. Markets can continue advancing even with long-term rates at levels that would have seemed unusually high only a few years ago. But a rising stock market does not erase what is happening elsewhere. 

The federal government is borrowing heavily. Inflation remains above target. Geopolitical risk continues to affect energy markets. Some of the world’s largest companies are committing enormous amounts of capital to AI infrastructure. All of them are asking the financial system for capital. 

For years, investors became accustomed to a world in which money was unusually cheap. That shaped valuations, financing decisions and portfolio construction. 

From my perspective, the 30-year Treasury is telling us that world has changed and therefore the outcome might change 

Capital has a price again. 

And if long-term yields remain around these levels, that price may increasingly shape what investors are willing to own, what businesses are willing to build, and what the economy can afford to finance. 

This presentation was prepared by CIG Asset Management and reflects the current opinion of its’ participants. It is based upon sources and data believed to be accurate and reliable.  Past performance should not be taken as an indication or guarantee of future performance, and no representation or warranty, express or implied is made regarding future returns. 

Opinions and forward-looking statements expressed are subject to change without notice. 

This information does not constitute a solicitation or an offer to buy or sell any security. 

Footnotes

U.S. Census Bureau release