By David Enna, Tipswatch.com
The Treasury’s auction of $8 billion in a reopened 30-year TIPS, CUSIP 912810US5, generated a real yield to maturity of 2.973%, highest for this term since October 2001. While that’s historic, the real yield fell just shy of the 3% milestone, thanks to bond-market intervention by Treasury Secretary Scott Bessent.
Bessent on Wednesday announced the Treasury is doubling its buy-backs of long-term Treasurys, shifting the debt burden to short-term T-bills with much lower yields. That briefly pushed 30-year nominal and real yields down about 9 basis points. Yields recovered a bit Thursday morning as the bond market reacted with skepticism.
No 29- to 30-year TIPS has auctioned with a real yield of 3%+ since October 2001, when a 30-year, 6-month issue got a yield of 3.465%. Soon after, the Treasury suspended issuing 30-year TIPS until February 2010. Today’s real yield was the highest since the resumption of the 30-year.
Definition: The “real yield to maturity” of a TIPS is its yield above future U.S. inflation, over the term of the TIPS. So a real yield of 2.973% means an investment in this TIPS would provide a return that exceeds official U.S. inflation by 2.973% for 29 years, 6 months.
Real yields have been moving higher in 2026, mostly prompted by the inflation shock of the war in Iran, plus intensifying government and corporate borrowing needs. I call the surge a “self-inflicted wound,” as shown in this chart of 30-year real yields over the last two years:
Pricing
CUSIP 912810US5’s coupon rate of 2.375% was set at its originating auction on February 19, which resulted in a real yield to maturity of 2.473%. Because the real yield at today’s auction was dramatically higher, the unadjusted price was discounted to 88.317050, a remarkable fall in just 6 months. This TIPS will carry an inflation index of 1.03055 on the settlement date of August 31. With that information, we can calculate the cost of a $10,000 par value purchase at today’s auction:
- Par value: $10,000.
- Principal purchased on settlement date: $10,000 x 1.03055 =$10,305.50.
- Cost of investment: $10,305.50 x 0.88317050 = $9,101.51.
- + accrued interest of $10.64.
In summary, an investor purchasing $10,000 par value at this auction paid $9,101.51 for $10,305.50 of principal on the settlement date. From then on, the investor will earn accruals matching official future inflation, plus an annual coupon rate of 2.375% paid on inflation-adjusted principal.
Inflation breakeven rate
I was driving through the N.C. mountains at the auction’s close, so I will have to estimate the 30-year nominal bond yield at 5.23%, giving this TIPS an inflation breakeven rate of 2.26%, in line with recent trends. (I hope for our nation inflation averages only 2.26% over the next 30 years, but I am skeptical.)
Here is the trend in the 30-year inflation breakeven rate over the last two years showing the solid trend in the range of 2.20% to 2.30%:

Thoughts
Investors at today’s auction got cheated out of a few basis points through Bessent’s tilt at the long-term bond windmill. It amounted to about $2 billion a week in additional bond buying at the longer term, a drop in the ocean of debt. The immediate effect was to weaken the U.S. dollar, which is potentially inflationary. That’s why oil prices and bitcoin moved higher today.
Bessent’s move also puts pressure on Federal Reserve Chairman Kevin Warsh to hold short-term rates stable (or lower) for as long as possible, to allow the Treasury to refinance long-term debt at lower yields. Will Warsh play along?
My feeling is that investors at today’s auction got a very attractive long-term TIPS, especially if held to maturity. That amounts to a near-zero-risk return of 2.973% over inflation for nearly 30 years.
Here is a history of auctions of this term over the last 5 years:

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• Now is an ideal time to build a TIPS ladder
• Confused by TIPS? Read my Q&A on TIPS
• TIPS in depth: Understand the language
• TIPS on the secondary market: Things to consider
• TIPS investor: Don’t over-think the threat of deflation
• Upcoming schedule of TIPS auctions
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David Enna is a financial journalist, not a financial adviser. He is not selling or profiting from any investment discussed. I Bonds and TIPS are not “get rich” investments; they are best used for capital preservation and inflation protection. They can be purchased through the Treasury or other providers without fees, commissions or carrying charges. Please do your own research before investing.
















Or perhaps desperation...