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The Debt Spiral Has Entered the Chat

Written by Mark Malek | May 20, 2026 11:21:20 AM

The 30-year Treasury is back near levels last seen before the financial crisis, and the message is not subtle.

KEY TAKEAWAYS

  • Treasury yields are sending a clear warning. The 30-year briefly touched 5.20%, while the 10-year moved near 4.70%, putting long-term borrowing costs back near pre-financial-crisis territory.

  • The move is being driven by three structural forces. Energy-driven inflation, fiscal deterioration, and uncertainty around Fed leadership are all pushing investors to demand higher compensation.

  • The deficit problem is becoming self-reinforcing. Higher yields raise government interest costs, which widens the deficit, which requires more borrowing, which can push yields higher again.

  • The impact reaches far beyond bonds. Mortgage rates, car loans, credit cards, corporate refinancing, and equity valuations all get pressured when the long end of the curve reprices higher.

  • This is not just an American issue. Long-term yields are rising globally, suggesting investors are repricing sovereign debt in a world of higher inflation risk, higher deficits, and less central bank flexibility.

MY HOT TAKES

  • Bonds are boring until they start setting the price of everything. The 10-year and 30-year are now doing exactly that.

  • The bond market is not reacting to one headline. It is repricing a structural problem that cannot be solved with a press release or diplomatic pause.

  • Washington has a math problem, not a messaging problem. The debt spiral is what happens when borrowing costs become their own source of fiscal stress.

  • The Fed’s problem is ugly because rate cuts do not produce oil, lower deficits, or magically rebuild credibility. Monetary policy is a blunt tool being asked to perform surgery.

  • Equity investors ignore bonds at their own risk. Stocks can tell stories for a while, but bonds eventually force everyone to read the invoice.

  • You can quote me: “The Fed does not have a tool that drills oil.

 

Judge and jury. This is not the first time I am writing about Treasury Bond yields, and I am absolutely certain that it is not the last. I try not to talk too much about bonds because I have noticed that when I do, people get that sort of glazed-over look, and I am not sure whether the look is the result of either misunderstanding or simply lack of interest. To be honest, I understand both reactions; bonds can appear to be complicated if you have never owned them, and equity folks love a good story and…well, they love multiples. Bonds are not about stories or multiples. Bonds are about yields and whether or not the companies or sovereigns that issue them can pay the coupons and return your principal at maturity. See what I mean…

 

…I can already see you getting that glazed-over look. 🤣 You can check my record! I leave all my blog posts up, going back almost 10 years! I leave them posted so you can check my track record. The ones I got right and the scant few 😂 I missed. If you do endeavor to do so, you will notice a pattern of how I veer into the bond narrative when things get a little murky for the economy and–YES–even stocks. I did that a few times recently, saw that look, and moved on. But this morning, I find myself with a dilemma. Bonds are screaming something, and we need to discuss it, so fix yourself a cuppa something-strong and let’s get down to business. Wipe that look off your face. 😃Don’t worry, there is a story involved.

 

So here is the story. The bond market, specifically the 30-year and 10-year Treasury, just delivered a verdict, and it did not bother to ask for permission first. Yesterday, the yield on the 30-year Treasury bond briefly touched 5.20%, its highest level since July 2007. Think about that for a moment. 🤔 The last time we were here, Bear Stearns still had a logo on the door. The 10-year–which is the benchmark that quietly sets the price of your mortgage, your car loan, and your credit card rate–climbed to 4.69%, the highest reading in well over a year. These are not rounding errors. This is a market that has made up its mind about something, and what it has made up its mind about is this: inflation is not going away, the government cannot stop spending, and the person running the Federal Reserve is a question mark. When three things go wrong at the same time in the bond market, yields do not politely nudge higher. They surge. And that is exactly–not kind of–what they did.

 

Let me give you the three-part story, because that is really what this is.

 

The first part starts in the Strait of Hormuz, and I know I have been writing about this for months. I make no apology for that, because the market keeps telling me I am right to do so. The war with Iran has pushed oil and natural gas prices to their highest levels in four years. That shock does not stay at the gas station. It travels–into food prices, airfares, shipping, manufacturing costs (even into the plastic packaging 😦)--and it lands, eventually, in the inflation data. Consumer prices rose 3.8% year over year in April, the highest annual rate in three years. And here is the problem the Fed cannot solve with a rate decision: they do not have a tool that drills oil. The bond market understands this perfectly, and it is demanding higher compensation for the very real possibility that inflation is going to stay elevated far longer than the optimists in the equity market are pricing. When bond investors sell, yields rise. When they sell because they think inflation is going to eat their returns for the next decade, yields do not just rise–they reprice. And, my friends, that is exactly what you are watching.

The second part of the story is fiscal, and this is where I need you to stay with me, because what is happening here is not just bad, it is self-reinforcing in a way that should focus every serious investor's attention. Moody's, the last of the big three credit rating agencies to do so, officially downgraded United States sovereign debt, citing more than a decade of successive administrations failing to address ballooning deficits and rising interest costs. Last week, the Treasury sold $25 billion of 30-year bonds at a yield above 5%--the first time since 2007 that the government issued long bonds at that rate. And it wasn't alone: auctions of 3-year and 10-year notes that same week also drew weaker demand than expected. Skittishness among bond buyers is becoming a pattern, not an event. Back in February, just before the Iran war started, a 30-year Treasury auction drew the highest demand ever recorded in the history of that instrument. Three months later, buyers want more yield just to show up. That is the market telling Washington something very specific about the price of its credibility.The world's largest bond market struggled to find enthusiastic buyers at a price it liked. That is not a technical footnote. That is a signal.

 

But here is the part that does not get enough airtime. Interest costs on the federal debt hit $97 billion in a single month–April alone–the second-largest expenditure the government made that month, right behind Social Security. For the fiscal year through March, interest payments were already running 6.1% higher than the prior year. The Congressional Budget Office projects those payments will hit $1 trillion this year and double to $2.1 trillion annually by 2036. Now here is where it gets dangerous. When yields rise, the government's borrowing costs rise with them, because Washington is constantly rolling over maturing debt and issuing new debt to cover the deficit, which sits at roughly $2 trillion per year. Every time a bond matures and the Treasury goes back to market to refinance it, it refinances at whatever the current yield happens to be. At 5.2% on the long end, that is a dramatically more expensive proposition than it was two years ago. Higher interest costs mean a larger deficit. A larger deficit means more borrowing. More borrowing means more supply hitting the bond market. More supply hitting the bond market pushes yields higher still. Higher yields mean…wait for it…wait for it…higher interest costs. That is not a fiscal problem. That is a fiscal feedback loop, and it is already running. It is affectionately referred to as a debt spiral. And it is not theoretical. The CBO's own baseline scenario projects the national debt reaching 175% of GDP by 2056. Bond investors can do that math as well as anyone.

 

The third part is the one that gets less attention but may matter the most in the near term. Kevin Warsh was confirmed by the Senate as the next Federal Reserve chair, and the bond market greeted his arrival the same day the Treasury auctioned 30-year bonds above 5%. You can think of it as a symbolic threshold last crossed before the financial crisis. The market is not saying it distrusts Warsh. What it is saying is something more unsettling: it does not know what it is getting. There is a legitimate fear, priced into the long end of the curve right now, that a new Fed chair with political pressures to cut rates could ease policy into an economy that is still running hot on energy-driven inflation. That fear has a name on Wall Street: term premium. It is the extra yield investors demand when they are uncertain about what the future looks like. Right now, that premium is loud. Did I even mention that Warsh is a fan of dumping the monstrous pile of bonds on the Fed’s balance sheet which would also put pressure on longer-maturity yields?

 

So what does all of this mean for you, sitting at the kitchen table? The 30-year mortgage rate hit 6.34% last week. Every basis point the 10-year climbs feeds that number. The cost of financing a car, carrying a balance, or refinancing a home does not come from a Fed meeting–it comes from the bond market, and the bond market just moved sharply in one direction. Businesses refinancing debt pay more, and that cost gets passed along or it comes out of earnings. A Bank of America survey of fund managers released this week found that 62% of respondents expect the 30-year yield to eventually reach 6%. That is not a fringe view. That is the professional consensus. The last time the 30-year touched 6% was 1999. Most working-age investors have never had to navigate a world that expensive, and if the feedback loop I described above 🙃 is not interrupted, that world is not as far away as it sounds.

 

History gives us mirrors. The 1990s produced the bond vigilantes, investors who drove yields higher to punish fiscal recklessness and force discipline on Washington. Whether that organized force still exists in today's market is debatable, but the effect is identical. Japan's 30-year yield just hit an all-time record. The UK 30-year gilt hit its highest level since 1998. Germany's Bund yields are at their highest since 2011. This is not a uniquely American story. No. It’s a global repricing of what long-term government debt is worth in an era of energy shocks, persistent deficits, and central banks caught between two bad options. The 1970s are the deepest historical mirror. The last time a geopolitical energy shock collided with a fiscal credibility problem and a Fed in an impossible position. It did not resolve quickly, and the bond market was not patient then either.

 

Let me be direct about where things stand this morning. The Iran diplomatic pause that briefly steadied markets on Monday lasted about as long as it took the bond market to remember that the Strait of Hormuz is…er STILL closed, inflation is still running hot, and Washington still cannot balance a checkbook. By Tuesday, the 10-year had climbed to a 16-month high of 4.7% and the 30-year hit its highest level in 18 years at 5.2%. The market heard the news and shrugged. That tells you something important: this is no longer a story that a single headline can resolve. The three structural forces driving yields–energy-driven inflation with no ceasefire in sight, a fiscal feedback loop already in motion, and a new Fed chair who has yet to earn the market's trust–are not going to be negotiated away in a phone call between Gulf states and the Oval Office. The bond market has rendered its verdict, and it will not adjourn until something in the underlying reality actually changes. Until then, it is telling you what it thinks the future costs. And right now, it thinks it costs more than it has in almost two decades.

 

You can wipe that glazed-over look off your face now. That was the story. 📖

 

YESTERDAY’S MARKETS

Yesterday, the S&P 500 fell 0.67%, its third consecutive losing session, while the Nasdaq shed 0.84%, and the Dow dropped 0.65%. The 30-year Treasury yield briefly hit 5.197%, its highest level since July 2007, and the 10-year reached 4.687%, its highest since January 2025, before both settled slightly off their intraday peaks at the close. West Texas Intermediate crude held above $108 per barrel, with Brent trading roughly three dollars higher.

 

NEXT UP

  • The Fed will release its minutes from last month’s FOMC meeting. If you want to know how adamant those 4 dissenters were during that contentious meeting–the minutes are the place to find it. Those come out at 2:00 Wall Street Time.

  • Fed Governor Michael Barr will speak this morning.

  • NVIDIA announces its Q1 earnings after the closing bell. It is not an official economic release, but it IS an economic release! It will certainly impact your portfolio and–in reality reflect the health of the broader economy! Don’t miss it.

  • Important earnings today aside from NVIDIA: TJX, VF Corp, Lowe’s, Target, Viasat, Analog Devices, Intuit, and elf Beauty. Guys, earnings season is not over–stay focused!