The bond market is the one institution in American life that cannot be lied to. Politicians can promise anything. The Federal Reserve can hold rates and issue statements. But the price of a 30-year Treasury is a verdict, rendered every trading day, by people putting real money behind their judgment of where inflation, deficits, and credibility are headed. In the summer of 2026, that verdict has been unambiguous: the 30-year yield touched 5.2 percent, its highest level since 2007, and the 10-year has climbed past 4.7 percent even though the Fed has not moved its policy rate since late 2025 (Cox, 2026; Peterson, 2026).

The yield curve has steepened by nearly 30 basis points since late June, with the spread between the 2-year and 10-year widening even as the Fed held steady (Peterson, 2026). That is the market saying something specific: the problem is not what the Fed will do with short rates this year. The problem is the long run, and the long run is fiscal.

This essay assigns blame plainly, because the situation deserves it. The primary blame belongs to fiscal policy: a $2.1 trillion annual deficit, a debt held by the public that has passed $32 trillion, and an interest bill that now consumes roughly 15 percent of federal spending (Congressional Budget Office, 2026). The secondary blame belongs to the Federal Reserve, not for its inflation stance, which is defensible, but for the credibility it has spent and the independence it is losing. And a specific share belongs to the administration, which is simultaneously running the deficit that frightens the bond market and demanding that the Fed cut rates to soothe it, an incoherence the market has noticed.

The Facts: What the Bond Market Has Done

The numbers are not subtle. The 30-year Treasury yield topped 5.2 percent on July 29, the highest since 2007, after the Federal Open Market Committee’s July meeting (Cox, 2026). The 10-year yield rose more than 7 basis points that same day to 4.677 percent, and has since traded above 4.7 percent, roughly 70 basis points above where it stood before the Iran war began (Peterson, 2026). The 2-year yield, which tracks Fed policy expectations, has been comparatively calm, which is exactly the point: the selloff is concentrated at the long end, where fiscal and inflation risk live.

The transmission to ordinary households has been direct. A 30-year mortgage now costs a typical buyer 6.75 percent, up from the low-6s a year ago, and diesel has risen 48 percent year over year to $5.46 a gallon, feeding the inflation that keeps the long end bid (Peterson, 2026). The S&P 500 has retreated about 6 percent from its April peak, and Morgan Stanley’s chief U.S. equity strategist has warned that the equity risk premium, the expected return of stocks above the risk-free rate, has narrowed to roughly 80 basis points, a level historically associated with poor forward returns (Crawford, 2026).

None of this is an accident. It is the market pricing a specific set of facts.

The Root Cause: The Deficit

The proximate cause of the long-end selloff is supply. The federal government is issuing roughly $500 billion in new net Treasury supply per quarter to finance a deficit the Congressional Budget Office projects at $2.1 trillion for fiscal year 2026, about 6.4 percent of gross domestic product (Crawford, 2026; CBO, 2026). That is not a recession deficit. The unemployment rate is 4.3 percent and payrolls are still growing. This is a structural deficit at full employment, which means it is a choice, not a circumstance.

The interest bill is where the choice becomes visible. The federal government made $963 billion in net interest payments in the first ten months of fiscal year 2026, roughly 15 percent of all federal spending (CBO, 2026). Debt held by the public has passed $32.2 trillion (Liesman & Peterson, 2026). Every basis point the long end rises makes the next year’s interest bill larger, which makes the deficit larger, which makes the market demand more yield. That is the loop the bond market has been pricing since 2023, and it is the reason the term premium, the extra yield investors demand for holding long-dated bonds rather than rolling short-term paper, has re-rated higher and shows no sign of compressing (Crawford, 2026).

Two of the largest historical buyers of Treasuries, Japan and China, have reduced their holdings, partly for currency management and partly out of geopolitical realignment (Crawford, 2026). The Fed, for its part, is not buying: it has maintained a $6.7 trillion balance sheet under an “ample reserves” stance, but it is not adding duration to the market (Cox, 2026). The marginal buyer of the long end has become the domestic investor, and domestic investors are demanding to be paid for the risk.

The Fed’s Role: Hawkish Words, Real Rates Near Zero

The Federal Reserve’s role in this selloff is more complicated than the administration’s talking points allow, and the blame is real but specific.

Start with the policy rate. The FOMC has held the federal funds rate at 3.5 to 3.75 percent since late 2025, when it cut three-quarters of a point (Cox, 2026). Core inflation, by the Fed’s own June projections, is running at 3.3 percent for 2026, with headline at 3.6 percent (Cox, 2026). A 3.625 percent policy rate against 3.3 percent core inflation is a real rate of roughly zero. Historically, the Fed has needed real rates well above 2 percent to bring inflation down from this level. By that measure, policy is not restrictive; it is barely neutral, and the bond market knows it.

The Fed’s own committee knows it too. At the July meeting, three members, Cleveland’s Beth Hammack, Minneapolis’s Neel Kashkari, and Governor Christopher Waller, dissented in favor of higher rates (Cox, 2026). The June dot plot, with 18 of 19 members participating, showed a median funds rate of 3.8 percent by year-end, up from 3.4 percent in March, which is the committee’s own way of saying a hike is on the table (Cox, 2026). Chairman Kevin Warsh, who took office May 22, declined to submit a dot at all, calling the forecasting tool unhelpful, and cut the post-meeting statement from 341 words to 130 (Cox, 2026).

Then there is the credibility problem. Inflation has been above the Fed’s 2 percent target for five years. The May CPI printed 4.2 percent headline, and while the June reading fell 0.4 percent on a brief drop in gasoline, the relief has reversed as the Middle East situation has stayed volatile (Cox, 2026). Warsh’s own words at Jackson Hole on August 28 moved the market: “We must be confident that underlying inflation is moving to our objective, clearly and at sufficient speed. Otherwise, we have work to do.” Traders read that as hawkish, and the odds of a September hike jumped from under 30 percent to roughly 50 percent across prediction markets and fed funds futures (Giangiulio, 2026).

Here is the fair version of the Fed’s defense: the long-end selloff is not primarily about the policy rate. The term premium is a fiscal phenomenon. The Fed cannot fix a $2.1 trillion deficit, and it should not pretend otherwise. But the Fed’s contribution to the problem is real: it has held real rates near zero with inflation at 3 percent plus, it has spent five years of credibility, and its new chairman’s communication style, however refreshing in its brevity, has added volatility to a market that was already repricing. The Fed is not the primary cause of the selloff. It is not innocent either.

The Administration’s Incoherence

The administration’s position is the most indefensible of the three, because it is internally contradictory.

President Trump has demanded the Fed cut rates to lower the cost of financing the debt, while simultaneously adding to the debt (Liesman & Peterson, 2026). Vice President Vance said on September 3 that the Fed should be lowering rates, calling it the “proper and responsible” response to recent inflation data, and added, “We’re doing a lot of things to try to keep those interest rates down, but it would be nice to have some help from the Federal Reserve” (Breuninger, 2026). The administration is trying to fire Governor Lisa Cook, a sitting Fed official, over policy disagreements (Breuninger, 2026).

The incoherence is not just political; it is financial. You cannot run a $2.1 trillion deficit, borrow $500 billion a quarter, and simultaneously demand that the central bank lower rates, without inviting the bond market to reprice the risk that the central bank will be captured. That reprice is exactly what the term premium is. Every time the president or vice president publicly pressures the Fed, they add a few basis points to the long end, which raises the interest bill, which enlarges the deficit, which they then complain about. The administration is fighting the bond market with one hand and feeding it with the other.

Treasury Secretary Scott Bessent’s response has been to treat the symptom. On August 19, the Treasury announced it would increase buybacks of long-term debt, raising the maximum from $2 billion to at least $4 billion, an intervention that briefly stemmed the selloff (Liesman & Peterson, 2026). The buybacks are funded by issuing more short-term bills, which is why T-bills now make up 22.2 percent of outstanding Treasury debt, above the 20 percent ceiling recommended by the Treasury’s own Borrowing Advisory Committee (Liesman & Peterson, 2026). Bessent criticized Janet Yellen in 2024 for exactly this policy, calling it putting a thumb on the scale of markets to keep down the cost of overspending. Now he is doing it himself, at a larger scale, and the TBAC has cautioned the department not to politicize buybacks (Liesman & Peterson, 2026).

The buybacks do not reduce the debt. They shorten its maturity, which means the government must refinance a larger share of its borrowing at whatever rates prevail, year after year. That is not fiscal discipline. It is kicking the refinancing risk down the road and calling it a policy.

Blame, Plainly

Here is the assignment, without hedging.

The primary blame belongs to fiscal policy, and to the people who set it. The deficit is 6.4 percent of GDP at full employment. The interest bill is 15 percent of federal spending. There is no plan from either party to close the gap, and the current administration’s tax cuts and war spending have made the trajectory worse. The bond market is not punishing the United States for being a democracy. It is pricing the arithmetic. Every member of Congress who voted for the spending and the tax cuts without a plan to pay for them, and every administration official who has treated the debt as a rounding error, shares the blame. The buck stops with the people who control the purse, and they have not done their job.

The secondary blame belongs to the Federal Reserve. Not for its inflation stance, which is defensible, and not for refusing to cut rates, which would be irresponsible at 3.3 percent core inflation. The blame is for holding real rates near zero for too long, for spending five years of credibility on forecasts that did not hold, and for a new chairman whose communication, however honest, has added uncertainty to a market that was already repricing. The Fed did not cause the deficit. But it has not been the anchor it is supposed to be, and the market’s trust in it is part of what is being repriced.

A specific share belongs to the administration’s assault on Fed independence. Trump demanding cuts, Vance demanding cuts, the attempt to fire Lisa Cook, and Bessent’s yield-curve management all tell the same story: the people who created the fiscal problem are trying to make the central bank and the Treasury absorb it. The bond market hears that story, and it prices it. The administration is not the victim of the bond market. It is the author of the conditions the bond market is responding to.

The Verdict Ahead

The September 15-16 FOMC meeting is a genuine coin flip. Fed funds futures put the odds of a quarter-point hike at roughly 56 percent, prediction markets at roughly 48 percent, and the committee itself is split, with Governor Barr saying he would back a hike if inflation stays elevated and Governor Waller leaning toward a hold (Breuninger, 2026; Giangiulio, 2026). A hike would be the Fed choosing inflation credibility over the administration’s wishes. A hold risks the market reading it as capitulation to political pressure, which would push the long end higher, not lower.

Neither outcome changes the underlying verdict. The bond market is not pricing the September meeting; it is pricing the decade. Until the deficit is addressed, the term premium will stay elevated, the interest bill will keep growing, and every shock, an oil spike, a weak auction, a political intervention, will land on a market that is already stretched. The bond market is not fooled by promises, and it is not fooled by buybacks. It is only fooled by arithmetic, and the arithmetic is what it has been telling us all summer.

PRH | huffmanwrites.org | © Philip Huffman

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