By David Enna, Tipswatch.com
At this moment, I am on a Viking cruise ship sailing out of Gdansk, Poland, and could lose internet access at any moment. So this is going to be quick.
The U.S. Treasury’s $18 billion reopening auction of a 10-year Treasury Inflation-Protected Security — CUSIP 91282CML2 — generated a real yield to maturity of 2.220%, the second highest result at auction for this term in 16 years. This result exactly matched the “when issued” prediction, released just before the auction’s close. The bid-to-cover ratio was 2.36, a decent level. In other words, demand was acceptable.
Definition: The “real yield to maturity” of a TIPS is its yield above official future U.S. inflation, over the term of the TIPS. So a real yield of 2.20% means an investment in this TIPS would provide a return that exceeds U.S. inflation by 2.20% for 9 years, 8 months.
CUSIP 91282CML2 had its originating auction on January 23, when it generated a real yield to maturity of 2.243%, just slightly higher. That set its coupon rate at 2.125%.
I have been in Scandanavia for 10 days now, and from what I can see the U.S. bond market has been a bit volatile, due primarily to congressional action on future tax cuts. The end result (as always) is that federal deficits are likely to rise fairly dramatically over the next 10 years. The bond market is not happy, but so far it isn’t throwing a fit.
So we have real yields bumping on 16-year highs. This is a trend that could continue throughout 2025, unless the Federal Reserve decides to take extreme action, which seems unlikely. Here is the trend in the 10-year real yield over the last two years:
Opinion: A real yield of 2.220% offers an attractive above-inflation return for an investor willing to hold to maturity. And it’s very possible that real yields will continue rising. We are in an “era of uncertainty.” But getting 2.220% above inflation, guaranteed, is attractive.
Pricing
This auction’s real yield of 2.220% was slightly above the coupon rate of 2.125%, so investors got CUSIP 91282CML2 at a discount, with an unadjusted price of 99.178357. In addition, this TIPS will have an inflation index of 1.01320 on the settlement date of May 30. With that information, we can calculate the cost of $10,000 par value of this TIPS:
- Par value: $10,000.
- Principal purchased as of May 30: $10,000 x 1.01320 =$10,132.00.
- Cost of investment: $10,132.00 x 0.99178357=$10,048.75.
- + accrued interest of $80.29.
To summarize, an investor buying $10,000 par value at today’s auction paid $10,048.75 for $10,132.00 of principal as of May 30. From then on, the investor will earn adjustments to principal equaling U.S. inflation over the next 9 years, 8 months, plus collect a coupon rate of 2.125% annually on adjusted principal. The accrued interest will be returned at the first coupon payment in July.
Inflation breakeven rate
The 10-year Treasury note was yielding 4.56% at the auction’s close, meaning this TIPS has an inflation breakeven rate of 2.34%. The TIPS will outperform the nominal Treasury if inflation averages more than 2.34% over the next 9 years, 8 months.
I’ve seen speculation recently that the 10-year note’s yield could exceed 5% in the near future because of bond-market unease. That would probably drag the 10-year TIPS yield up to at least 2.6%, possibly higher. I’d consider a 5% 10-year Treasury note an attractive nominal investment. Same for the 20-year TIPS with a real yield of 2.68%, the current rate.
Here is the trend in the 10-year inflation breakeven rate over the last two years, showing a fairly wild ride in inflation expectations:
Thoughts
My internet held out, so now I can add a brief rant.
I admit to being out of touch. It seems like a lot of craziness has been happening in the last 10 days (or six months, honestly). I don’t have a grasp on where we are heading. Inflation “appears” to be moderating, but tariffs could cause extreme disruptions. For example, should Walmart raise prices to match its tariff costs? The answer seems obvious: Of course it should. (I am a Walmart shareholder; maybe I am biased.) Walmart could “eat” some of the costs, but their competitors face the same disruptions. So everyone will be raising prices.
The bigger issue right now is the path of future U.S. deficits. I agree we face a “spending problem,” but adding in huge new tax cuts is only going to make the problem worse. I just want a responsible federal government, making sure tax revenues and spending are coming more into line.
Tipswatch is not about politics, though. I congratulate investors at today’s auction for getting an attractive result. Here is a look at auctions of this term over the last 5 years:
• 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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Follow Tipswatch on X for updates on daily Treasury auctions and real yield trends (when I am not traveling).
Feel free to post comments or questions below. If it is your first-ever comment, it will have to wait for moderation. After that, your comments will automatically appear. Please stay on topic and avoid political tirades. NOTE: Comment threads can only be three responses deep. If you see that you cannot respond, create a new comment and reference the topic.
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.



























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