Podcast.
中文

The world is too loud. Read what matters.

Odd Lots

The 5% Treasury Yield Isn't About Inflation: $32 Trillion of Debt Means Buyers Will Only Take More

Inflation can't explain 30-year yields above 5%: even with no inflation and no default risk, a buyer already full up on Treasuries at 5.3% won't budge for another $10 billion. What's really steepening the curve is $2 trillion of new supply every year, and Treasury buybacks can't hold it down.

Treasury yieldsTreasury buybacksFederal Reservefiscal dominanceJackson Hole

The video won't play here. Listen to the audio instead:

The mainstream narrative pins the 30-year at 5% on inflation; this episode offers a genuinely incremental alternative framework and folds the limits of Treasury intervention, the mechanics of Fed balance-sheet runoff, and the term premium debate into one logic.

The argument · tap a timestamp to hear it

4:04

5% is first a line item on Treasury's interest bill, not a macro signal

Host Joe asks Daryl what he sees when the 30-year Treasury yield is above 5% — even after it ticked down slightly that day following the Fed chair's remarks. Daryl's answer is not a macro model but Treasury's predicament: if I were the Treasury Secretary, what I'd see is that the US government's interest expense is extraordinarily high, and I'd have to find a way to push yields down. That sentence sets the frame for the whole episode: the official side has a strong incentive to hold down long-end rates, but whether it can and whether it should are the premises for everything that follows.

— Daryl Duffy
5:07

Treasury wants to sell another $10 billion, it can only pay more

Daryl gives the single most important thought experiment of the segment: suppose there is no inflation risk and no sovereign default, and you are a macro hedge fund that already holds $20 billion of 10-year Treasuries. The Treasury Secretary calls and asks you to buy another $10 billion — why won't you? The answer: at a 5.3% yield you have already made the allocation you want, and to get you to add, you have to be paid a higher interest rate as compensation. This logic incidentally explains the structural shift on the demand side — foreign central banks have long since filled their allocations and stopped buying, so new Treasury supply can only land on domestic free discretionary buyers: banks, pensions, insurers, hedge funds, and that money is highly sensitive to yield.

— Daryl Duffy
8:10

The logic didn't change, the size of the debt hit a threshold

Joe raises the objection that has to be faced: aging populations, a political system with no appetite for spending cuts, unsustainable deficits — this bearish logic existed in 2018 and 2019, and Japan was talked about this way for decades before that, so why did yields keep falling then and why are they rising now? Daryl's answer is a scale effect: the 60% debt-to-GDP red line the IMF drew back then is far behind us, France is already at 100%; the US Treasury market has grown from about $18 trillion to $31 trillion and keeps expanding. There is no new logic — the quantity of debt itself has accumulated to a threshold.

— Daryl Duffy
10:13

The long end is driven mainly by issuance, not inflation expectations

Since the short end is still held down by high inflation and the Fed, why not attribute high 30-year yields directly to inflation expectations? Daryl concedes that over the past five years inflation has indeed run well above the Fed's target and the job of getting back to target is not done, but points out: implied inflation expectations backed out of real versus nominal bonds are not flashing alarm; the investors actually buying and selling 10-, 20- and 30-year Treasuries are not processing inflation first in their heads — they are processing supply relative to demand. He mentions John Cochrane's fiscal theory of the price level, but that belongs to a long-run framework — the main driver of today's term premium is issuance, not prices.

— Daryl Duffy
13:18

Buybacks to cap yields are just a signal, with far too little ammunition

Treasury Secretary Scott Bessent announced an expansion of Treasury buybacks, with the official rationale being liquidity. Daryl reads the subtext directly: from the wording of his public remarks, he does not think the problem is market liquidity, he thinks yields are ‘too high’, and he says outright that he is sending a signal to the market. The problem is that the size of Treasury's operations is a drop in the bucket relative to the whole Treasury market, and the market moved briefly on the news and then reversed quickly. Trying to use the government's own resources to hold down the path of yields has a precedent — the 1992 sterling crisis — and Bessent was the man at Soros's fund who shorted the pound.

— Daryl Duffy
19:22

Buybacks' real job is sweeping up old bonds, not managing rates

The original design of the buyback program was not to manage yields: as Treasury keeps issuing new securities, a large stock of illiquid off-the-run old bonds is left in the market, clogging dealer balance sheets and trading away from a smooth yield curve. A paper Daryl is working on with two New York Fed economists is testing whether sweeping up the fragments on a ‘regular, predictable’ schedule and swapping in new issues can improve market liquidity and earn taxpayers the gain from buying low and selling high. The phrase ‘odd lots’ happens to be where the show's name comes from. He thinks this routine operation works; Treasury stepping in at a moment of emergency to defend its own bond market is a different matter.

— Daryl Duffy
25:30

The constraint on runoff is reserves, not the asset side

A new Fed chair may want to shrink the balance sheet, but most people only stare at the asset side. Daryl points to the arithmetic constraint: selling assets requires extinguishing an equal amount of liabilities. Of the three liability blocks, the TGA can't have Treasury pull its deposits out, and circulating cash can't be recalled, so the only thing that can be squeezed is commercial banks' reserves held at the Fed. But today's reserves are the ‘Swiss Army knife of the financial industry’: they pay interest at market rates, satisfy liquidity regulation, and are usable for payments at any time, so banks have no incentive to give them up. The ratchet effect that Acharya and Rajan presented at Jackson Hole in 2017 already showed this: every time the Fed expands its balance sheet, banks get addicted to reserves, and shrinking it necessarily causes market volatility.

— Daryl Duffy
28:33

The task force will swap duration, not actually shrink the size

Daryl states he has no inside information on the task force, but makes two predictions about the group led by Jeremy Stein: first, the real problem is not size but structure, and the sensible move is to gradually replace the Fed's long-dated Treasuries with short-term bills, so that interest paid on reserves on the liability side offsets interest earned on bills on the asset side, reducing the hit to the Fed's own P&L from swings in the policy rate; second, do not keep mortgage-backed securities on the asset side — let them roll off naturally. His own conclusion is blunter: the Fed doesn't necessarily have to shrink the balance sheet, but it must have the tools in hand to shrink it on its own, otherwise it will be backed into a corner when Congress applies pressure.

— Daryl Duffy
30:00

The term premium is a window on the deficit, not noise

The episode closes with a rare on-air confrontation. Joe confesses his ‘amateur’ framework: the 30-year yield is just 30 overnight rates added together, and the so-called term premium can't be measured accurately, the models contradict each other, and it has no analytical value. Daryl counters that the term premium itself is an easily measurable concept — it tells you the value of long-term money relative to short-term money; what's hard is decomposing it into the expected path of short rates and a risk premium, and John Cochrane and Monika Piazzesi did the best work on that decomposition. He also assigns Joe reading homework: when the supply of Treasuries rises, the whole yield curve gets pushed up, and the term premium is a window on the path of the fiscal deficit.

— Joe Wiesenthal / Daryl Duffy

In their own words · checked verbatim

Now, given the conditions that I described for the safe bonds, why wouldn't you? And the reason is you already have what you chose to have at 5.3%. And in order to get you to buy $ 10 billion more, you need a higher yield to compensate you.

Daryl Duffy5:07

The hyperscalers have famously been demanding a lot of investment by bond investors. And it's all piling on. But the biggest culprit is our governments generally, not just the U.S., but especially the U.S.

Daryl Duffy6:44

I don't think that's what bond investors that are thinking about the 10s, 20s and 30 years what's foremost on their mind. I think they're looking at the supply relative to the demand. And again, foreign central banks have had all that they need and they're not buying more.

Daryl Duffy11:14

It's our bond market, it's dysfunctional, it benefits us to step into that market and not leave it entirely to the central bank.

Daryl Duffy19:55

And right here in Jackson Hole in 2017, Veral Acharya and Raghu Rajan presented a paper describing a ratchet effect by which every time the Fed increases its balance sheet and adds reserves, the banks get addicted to having more of that extremely useful asset, reserves, and they're reluctant to give it up.

Daryl Duffy27:20

I'm a simple man. I look at a 30-year yield. I think it looks like a 30 years worth of overnight rates. You just add them up.

Joe Wiesenthal30:00

Figures

30-year US Treasury yieldabove 5%4:04
Size of the US Treasury marketabout $18 trillion growing to $31 trillion8:10
Current size of US Treasury debtabout $32 trillion, and still growing9:12
Growth rate of US Treasury debtabout $2 trillion per year9:12
Average remaining maturity of US Treasuriesabout 6 years17:03

Glossary

term premium
The portion of a long-term Treasury yield that exceeds the market's expected path of future short-term rates — the compensation for holding long-duration Treasuries.
fiscal dominance
When government debt is so large that the central bank's monetary policy space is constrained by absorbing that debt and by political pressure.
off-the-run Treasuries
The batch of Treasuries the US Treasury is no longer newly issuing; less liquid, and often left sitting on dealer balance sheets.
ratchet effect
Once Fed balance-sheet expansion leads banks to hold more reserves, banks are unwilling to give them back, making runoff hard to push through.
Treasury General Account (TGA)
The deposit account the US Treasury holds at the Fed, from which the government's day-to-day spending is disbursed.

How to listen

Who it's for

Global macro and rates traders, fund managers allocating to Treasuries, and anyone who wants to see the boundary between Treasury and the Fed clearly and to anticipate Fed policy turning points.

Skip

The event promo at the top and the Joe/Tracy banter at the end are skippable; the substance runs from 4:04 to 32:00.

More on this