Inflation-linked (TIPS)

912810FH6 · 3.875% due April 15, 2029

Original term
30-Year
Maturity
Apr 15, 2029
Coupon
3.875%
Pays
Semi-Annual
Dated
Apr 15, 1999
First coupon
Oct 15, 1999
Priced through
Nov 9, 2026
Analyzed through
not analyzed

Statement of October 31, 2026

Amount outstanding
$39.26bn
Held stripped
$12.2m
Share stripped
0.03%

Stripped par is held as separate interest and principal components rather than as whole securities. The Safe Rate indices deliberately do not deduct it, and the whole-market figure is published so that decision can be argued with. Market statistics.

Amount outstanding as reported by Treasury, in its Monthly Statement of the Public Debt. The Safe Rate indices weight on a different figure, float-adjusted original par, and the two are not comparable security by security. For an inflation-linked security the difference is mostly inflation rather than float: Treasury reports what a holder is owed today, which includes the uplift shown as the index ratio above, while the index keeps original par and carries the uplift in the price. The index figures are published per holding.

Inflation-linked measures, November 9, 2026

An inflation-linked security prices off a real curve, so its yield is a real yield, a return above inflation rather than in cash terms, and its principal is indexed. The figures below are in REAL terms unless labeled otherwise.

Real yield
2.631%
Index ratio
2.0413
Real duration
2.307 yr
DV01
0.0238
Convexity
0.0658
Real clean price
102.906
Accrued (real)
0.277
Real dirty price
103.183
Indexed principal
204.125
Money clean price
210.057

The index ratio is a multiplier, not a percentage: 2.0413 means the principal is worth that many times its original face today. So the real clean price of 102.906 is not what a buyer pays , multiply by the ratio to get 210.057 per 100 of original face.

Against the fitted real curve

Priced 11.2 bp cheap to the real curve on that day, 26.68 cents per 100 of face.

That is 1.83 standard deviations from its own typical residual.

Real yield, 4,547 observations

-2%-1%0%1%2%3%4%Sep 2, 2008Nov 9, 2026Sep 2, 2008Real yield2.178%Sep 29, 2008Real yield2.418%Oct 27, 2008Real yield3.235%Nov 24, 2008Real yield3.460%Dec 22, 2008Real yield2.257%Jan 21, 2009Real yield2.735%Feb 18, 2009Real yield2.356%Mar 17, 2009Real yield2.627%Apr 14, 2009Real yield2.335%May 11, 2009Real yield2.500%Jun 8, 2009Real yield2.577%Jul 6, 2009Real yield2.352%Jul 31, 2009Real yield2.306%Aug 27, 2009Real yield2.213%Sep 24, 2009Real yield2.166%Oct 22, 2009Real yield2.109%Nov 19, 2009Real yield1.876%Dec 17, 2009Real yield1.965%Jan 15, 2010Real yield2.024%Feb 12, 2010Real yield2.135%Mar 12, 2010Real yield2.118%Apr 8, 2010Real yield2.103%May 5, 2010Real yield1.816%Jun 2, 2010Real yield1.858%Jun 29, 2010Real yield1.712%Jul 27, 2010Real yield1.913%Aug 23, 2010Real yield1.631%Sep 20, 2010Real yield1.567%Oct 18, 2010Real yield1.228%Nov 15, 2010Real yield1.533%Dec 13, 2010Real yield1.737%Jan 10, 2011Real yield1.716%Feb 7, 2011Real yield2.008%Mar 7, 2011Real yield1.728%Apr 1, 2011Real yield1.646%Apr 29, 2011Real yield1.507%May 26, 2011Real yield1.502%Jun 23, 2011Real yield1.427%Jul 21, 2011Real yield1.339%Aug 17, 2011Real yield0.631%Sep 14, 2011Real yield0.750%Oct 12, 2011Real yield0.838%Nov 8, 2011Real yield0.498%Dec 7, 2011Real yield0.554%Jan 5, 2012Real yield0.491%Feb 2, 2012Real yield0.297%Mar 1, 2012Real yield0.412%Mar 28, 2012Real yield0.510%Apr 24, 2012Real yield0.320%May 21, 2012Real yield0.114%Jun 18, 2012Real yield0.039%Jul 16, 2012Real yield-0.066%Aug 10, 2012Real yield0.019%Sep 7, 2012Real yield-0.010%Oct 4, 2012Real yield-0.183%Nov 2, 2012Real yield-0.132%Dec 3, 2012Real yield-0.208%Dec 31, 2012Real yield-0.109%Jan 29, 2013Real yield0.034%Feb 26, 2013Real yield-0.003%Mar 25, 2013Real yield0.014%Apr 22, 2013Real yield-0.140%May 17, 2013Real yield0.174%Jun 14, 2013Real yield0.651%Jul 12, 2013Real yield0.970%Aug 8, 2013Real yield0.787%Sep 5, 2013Real yield1.270%Oct 2, 2013Real yield0.867%Oct 30, 2013Real yield0.835%Nov 27, 2013Real yield1.047%Dec 26, 2013Real yield1.208%Jan 24, 2014Real yield0.946%Feb 21, 2014Real yield0.982%Mar 20, 2014Real yield1.015%Apr 16, 2014Real yield0.810%May 14, 2014Real yield0.664%Jun 11, 2014Real yield0.768%Jul 9, 2014Real yield0.596%Aug 5, 2014Real yield0.555%Sep 2, 2014Real yield0.561%Sep 30, 2014Real yield0.858%Oct 28, 2014Real yield0.680%Nov 26, 2014Real yield0.664%Dec 24, 2014Real yield0.710%Jan 23, 2015Real yield0.411%Feb 20, 2015Real yield0.622%Mar 19, 2015Real yield0.406%Apr 15, 2015Real yield0.353%May 12, 2015Real yield0.646%Jun 9, 2015Real yield0.783%Jul 7, 2015Real yield0.629%Aug 3, 2015Real yield0.649%Aug 28, 2015Real yield0.813%Sep 25, 2015Real yield0.944%Oct 23, 2015Real yield0.798%Nov 20, 2015Real yield0.862%Dec 18, 2015Real yield0.932%Jan 19, 2016Real yield0.922%Feb 16, 2016Real yield0.797%Mar 14, 2016Real yield0.758%Apr 11, 2016Real yield0.463%May 6, 2016Real yield0.457%Jun 3, 2016Real yield0.445%Jun 30, 2016Real yield0.341%Jul 28, 2016Real yield0.312%Aug 24, 2016Real yield0.316%Sep 21, 2016Real yield0.407%Oct 19, 2016Real yield0.348%Nov 16, 2016Real yield0.644%Dec 14, 2016Real yield0.834%Jan 12, 2017Real yield0.609%Feb 9, 2017Real yield0.580%Mar 9, 2017Real yield0.733%Apr 5, 2017Real yield0.520%May 3, 2017Real yield0.604%May 31, 2017Real yield0.532%Jun 27, 2017Real yield0.620%Jul 25, 2017Real yield0.696%Aug 21, 2017Real yield0.587%Sep 18, 2017Real yield0.523%Oct 16, 2017Real yield0.615%Nov 10, 2017Real yield0.662%Dec 8, 2017Real yield0.625%Jan 8, 2018Real yield0.583%Feb 5, 2018Real yield0.738%Mar 5, 2018Real yield0.803%Apr 2, 2018Real yield0.742%Apr 27, 2018Real yield0.845%May 24, 2018Real yield0.909%Jun 21, 2018Real yield0.842%Jul 19, 2018Real yield0.817%Aug 15, 2018Real yield0.857%Sep 12, 2018Real yield0.922%Oct 10, 2018Real yield1.133%Nov 6, 2018Real yield1.226%Dec 6, 2018Real yield1.055%Jan 4, 2019Real yield0.988%Feb 1, 2019Real yield0.864%Mar 1, 2019Real yield0.843%Mar 28, 2019Real yield0.595%Apr 25, 2019Real yield0.591%May 22, 2019Real yield0.626%Jun 19, 2019Real yield0.380%Jul 17, 2019Real yield0.335%Aug 13, 2019Real yield0.130%Sep 10, 2019Real yield0.216%Oct 7, 2019Real yield0.137%Nov 4, 2019Real yield0.224%Dec 3, 2019Real yield0.164%Dec 31, 2019Real yield0.221%Jan 29, 2020Real yield0.002%Feb 26, 2020Real yield-0.171%Mar 24, 2020Real yield0.079%Apr 21, 2020Real yield-0.193%May 18, 2020Real yield-0.300%Jun 15, 2020Real yield-0.495%Jul 13, 2020Real yield-0.802%Aug 7, 2020Real yield-1.049%Sep 3, 2020Real yield-1.060%Oct 1, 2020Real yield-1.004%Oct 29, 2020Real yield-0.932%Nov 27, 2020Real yield-0.982%Dec 24, 2020Real yield-1.144%Jan 25, 2021Real yield-1.244%Feb 22, 2021Real yield-1.089%Mar 19, 2021Real yield-0.884%Apr 15, 2021Real yield-1.095%May 12, 2021Real yield-1.212%Jun 9, 2021Real yield-1.127%Jul 7, 2021Real yield-1.197%Aug 3, 2021Real yield-1.491%Aug 30, 2021Real yield-1.349%Sep 27, 2021Real yield-1.135%Oct 25, 2021Real yield-1.285%Nov 22, 2021Real yield-1.245%Dec 20, 2021Real yield-1.153%Jan 18, 2022Real yield-0.786%Feb 14, 2022Real yield-0.685%Mar 14, 2022Real yield-0.995%Apr 8, 2022Real yield-0.211%May 6, 2022Real yield0.190%Jun 3, 2022Real yield0.202%Jul 1, 2022Real yield0.558%Jul 29, 2022Real yield0.146%Aug 25, 2022Real yield0.500%Sep 22, 2022Real yield1.487%Oct 20, 2022Real yield1.967%Nov 17, 2022Real yield1.733%Dec 15, 2022Real yield1.535%Jan 13, 2023Real yield1.525%Feb 10, 2023Real yield1.565%Mar 10, 2023Real yield1.660%Apr 6, 2023Real yield1.140%May 3, 2023Real yield1.240%May 31, 2023Real yield1.681%Jun 28, 2023Real yield1.863%Jul 26, 2023Real yield1.861%Aug 22, 2023Real yield2.234%Sep 19, 2023Real yield2.220%Oct 17, 2023Real yield2.544%Nov 13, 2023Real yield2.486%Dec 11, 2023Real yield2.240%Jan 9, 2024Real yield1.894%Feb 6, 2024Real yield1.874%Mar 5, 2024Real yield1.822%Apr 2, 2024Real yield1.993%Apr 29, 2024Real yield2.235%May 24, 2024Real yield2.225%Jun 24, 2024Real yield2.115%Jul 22, 2024Real yield2.016%Aug 16, 2024Real yield1.821%Sep 13, 2024Real yield1.494%Oct 10, 2024Real yield1.659%Nov 7, 2024Real yield1.875%Dec 6, 2024Real yield1.818%Jan 6, 2025Real yield2.105%Feb 3, 2025Real yield1.784%Mar 3, 2025Real yield1.412%Mar 28, 2025Real yield1.401%Apr 25, 2025Real yield1.411%May 22, 2025Real yield1.552%Jun 20, 2025Real yield1.488%Jul 18, 2025Real yield1.312%Aug 14, 2025Real yield1.242%Sep 11, 2025Real yield1.047%Oct 8, 2025Real yield1.164%Nov 5, 2025Real yield1.347%Dec 4, 2025Real yield1.345%Jan 2, 2026Real yield1.434%Jan 30, 2026Real yield1.121%Feb 27, 2026Real yield1.029%Mar 26, 2026Real yield1.378%Apr 22, 2026Real yield1.156%May 19, 2026Real yield1.417%Jun 16, 2026Real yield1.758%Jul 15, 2026Real yield2.098%Aug 11, 2026Real yield2.229%Sep 8, 2026Real yield2.135%Oct 5, 2026Real yield2.639%Nov 2, 2026Real yield2.407%Nov 9, 2026Real yield2.631%

Price history

4,547 trading days to Nov 9, 2026

100110120130140150160170Sep 2, 2008Nov 9, 2026Sep 2, 2008Close128.063Sep 29, 2008Close123.469Oct 27, 2008Close109.531Nov 24, 2008Close106.031Dec 22, 2008Close126.250Jan 21, 2009Close117.625Feb 18, 2009Close124.250Mar 17, 2009Close119.375Apr 14, 2009Close124.500May 11, 2009Close121.469Jun 8, 2009Close120.063Jul 6, 2009Close123.969Jul 31, 2009Close124.719Aug 27, 2009Close126.344Sep 24, 2009Close127.125Oct 22, 2009Close128.094Nov 19, 2009Close132.375Dec 17, 2009Close130.594Jan 15, 2010Close129.375Feb 12, 2010Close127.250Mar 12, 2010Close127.469Apr 8, 2010Close127.656May 5, 2010Close132.875Jun 2, 2010Close131.969Jun 29, 2010Close134.625Jul 27, 2010Close130.750Aug 23, 2010Close135.938Sep 20, 2010Close137.063Oct 18, 2010Close143.656Nov 15, 2010Close137.438Dec 13, 2010Close133.438Jan 10, 2011Close133.719Feb 7, 2011Close128.313Mar 7, 2011Close133.250Apr 1, 2011Close134.656Apr 29, 2011Close137.125May 26, 2011Close137.094Jun 23, 2011Close138.375Jul 21, 2011Close139.906Aug 17, 2011Close154.125Sep 14, 2011Close151.375Oct 12, 2011Close149.344Nov 8, 2011Close156.313Dec 7, 2011Close154.875Jan 5, 2012Close155.969Feb 2, 2012Close159.938Mar 1, 2012Close157.188Mar 28, 2012Close154.875Apr 24, 2012Close158.688May 21, 2012Close162.938Jun 18, 2012Close164.313Jul 16, 2012Close166.375Aug 10, 2012Close164.188Sep 7, 2012Close164.531Oct 4, 2012Close168.125Nov 2, 2012Close166.625Dec 3, 2012Close168.000Dec 31, 2012Close165.469Jan 29, 2013Close162.063Feb 26, 2013Close162.563Mar 25, 2013Close161.906Apr 22, 2013Close164.906May 17, 2013Close158.031Jun 14, 2013Close148.406Jul 12, 2013Close142.344Aug 8, 2013Close145.469Sep 5, 2013Close136.781Oct 2, 2013Close143.625Oct 30, 2013Close144.000Nov 27, 2013Close140.063Dec 26, 2013Close137.156Jan 24, 2014Close141.406Feb 21, 2014Close140.594Mar 20, 2014Close139.875Apr 16, 2014Close143.188May 14, 2014Close145.531Jun 11, 2014Close143.500Jul 9, 2014Close146.281Aug 5, 2014Close146.781Sep 2, 2014Close146.438Sep 30, 2014Close141.156Oct 28, 2014Close143.938Nov 26, 2014Close143.969Dec 24, 2014Close142.969Jan 23, 2015Close147.781Feb 20, 2015Close143.969Mar 19, 2015Close147.406Apr 15, 2015Close148.063May 12, 2015Close142.938Jun 9, 2015Close140.500Jul 7, 2015Close142.750Aug 3, 2015Close142.219Aug 28, 2015Close139.406Sep 25, 2015Close137.188Oct 23, 2015Close139.219Nov 20, 2015Close138.031Dec 18, 2015Close136.781Jan 19, 2016Close136.719Feb 16, 2016Close138.375Mar 14, 2016Close138.750Apr 11, 2016Close143.031May 6, 2016Close142.875Jun 3, 2016Close142.813Jun 30, 2016Close144.188Jul 28, 2016Close144.375Aug 24, 2016Close144.063Sep 21, 2016Close142.438Oct 19, 2016Close143.063Nov 16, 2016Close138.469Dec 14, 2016Close135.563Jan 12, 2017Close138.500Feb 9, 2017Close138.688Mar 9, 2017Close136.313Apr 5, 2017Close139.063May 3, 2017Close137.656May 31, 2017Close138.406Jun 27, 2017Close136.969Jul 25, 2017Close135.719Aug 21, 2017Close136.969Sep 18, 2017Close137.594Oct 16, 2017Close136.125Nov 10, 2017Close135.281Dec 8, 2017Close135.531Jan 8, 2018Close135.844Feb 5, 2018Close133.625Mar 5, 2018Close132.594Apr 2, 2018Close133.125Apr 27, 2018Close131.656May 24, 2018Close130.688Jun 21, 2018Close131.281Jul 19, 2018Close131.375Aug 15, 2018Close130.688Sep 12, 2018Close129.719Oct 10, 2018Close127.094Nov 6, 2018Close125.875Dec 6, 2018Close127.594Jan 4, 2019Close128.125Feb 1, 2019Close129.313Mar 1, 2019Close129.344Mar 28, 2019Close131.938Apr 25, 2019Close131.750May 22, 2019Close131.125Jun 19, 2019Close133.656Jul 17, 2019Close133.906Aug 13, 2019Close135.969Sep 10, 2019Close134.719Oct 7, 2019Close135.344Nov 4, 2019Close134.094Dec 3, 2019Close134.469Dec 31, 2019Close133.563Jan 29, 2020Close135.656Feb 26, 2020Close137.250Mar 24, 2020Close134.250Apr 21, 2020Close136.875May 18, 2020Close137.719Jun 15, 2020Close139.500Jul 13, 2020Close142.500Aug 7, 2020Close144.875Sep 3, 2020Close144.625Oct 1, 2020Close143.594Oct 29, 2020Close142.406Nov 27, 2020Close142.500Dec 24, 2020Close143.813Jan 25, 2021Close144.438Feb 22, 2021Close142.375Mar 19, 2021Close139.875Apr 15, 2021Close141.656May 12, 2021Close142.438Jun 9, 2021Close141.156Jul 7, 2021Close141.438Aug 3, 2021Close143.938Aug 30, 2021Close142.094Sep 27, 2021Close139.594Oct 25, 2021Close140.594Nov 22, 2021Close139.781Dec 20, 2021Close138.500Jan 18, 2022Close134.781Feb 14, 2022Close133.531Mar 14, 2022Close135.844Apr 8, 2022Close128.875May 6, 2022Close125.375Jun 3, 2022Close125.000Jul 1, 2022Close122.031Jul 29, 2022Close124.875Aug 25, 2022Close122.000Sep 22, 2022Close114.875Oct 20, 2022Close111.563Nov 17, 2022Close112.938Dec 15, 2022Close114.063Jan 13, 2023Close113.938Feb 10, 2023Close113.531Mar 10, 2023Close112.781Apr 6, 2023Close115.875May 3, 2023Close115.063May 31, 2023Close112.219Jun 28, 2023Close111.000Jul 26, 2023Close110.875Aug 22, 2023Close108.656Sep 19, 2023Close108.625Oct 17, 2023Close106.781Nov 13, 2023Close107.000Dec 11, 2023Close108.188Jan 9, 2024Close109.875Feb 6, 2024Close109.844Mar 5, 2024Close109.969Apr 2, 2024Close108.969Apr 29, 2024Close107.656May 24, 2024Close107.594Jun 24, 2024Close108.000Jul 22, 2024Close108.344Aug 16, 2024Close109.125Sep 13, 2024Close110.500Oct 10, 2024Close109.594Nov 7, 2024Close108.469Dec 6, 2024Close108.563Jan 6, 2025Close107.188Feb 3, 2025Close108.406Mar 3, 2025Close109.813Mar 28, 2025Close109.688Apr 25, 2025Close109.469May 22, 2025Close108.750Jun 20, 2025Close108.813Jul 18, 2025Close109.313Aug 14, 2025Close109.406Sep 11, 2025Close109.938Oct 8, 2025Close109.313Nov 5, 2025Close108.469Dec 4, 2025Close108.281Jan 2, 2026Close107.781Jan 30, 2026Close108.625Feb 27, 2026Close108.719Mar 26, 2026Close107.438Apr 22, 2026Close107.938May 19, 2026Close106.969Jun 16, 2026Close105.813Jul 15, 2026Close104.719Aug 11, 2026Close104.250Sep 8, 2026Close104.375Oct 5, 2026Close103.000Nov 2, 2026Close103.469Nov 9, 2026Close102.906
The most recent 20 trading days of prices for 912810FH6.
DateBidOfferClose
Nov 9, 2026102.938102.984102.906
Nov 6, 2026103.125103.172103.156
Nov 5, 2026103.094103.156103.219
Nov 4, 2026103.188103.234103.125
Nov 3, 2026103.375103.422103.344
Nov 2, 2026103.563103.594103.469
Oct 30, 2026103.719103.750103.750
Oct 29, 2026103.594103.641103.625
Oct 28, 2026103.406103.438103.563
Oct 27, 2026103.500103.531103.469
Oct 26, 2026103.531103.563103.500
Oct 23, 2026103.594103.641103.594
Oct 22, 2026103.500103.547103.625
Oct 21, 2026103.344103.391103.313
Oct 20, 2026103.313103.359103.313
Oct 19, 2026103.344103.391103.344
Oct 16, 2026103.344103.406103.406
Oct 15, 2026103.219103.281103.250
Oct 14, 2026103.000103.047103.156
Oct 13, 2026103.031103.094103.031

Prices are per 100 of face, from Treasury's own end-of-day file. A dash means that side was not quoted that day, which is almost always the offer and almost always near maturity: a holder of a bill days from paying par has little reason to sell it.

3 auctions

A CUSIP can be auctioned more than once: Treasury reopens an existing security rather than issuing a new one, so the same bond is sold again at whatever yield the market then wants.

Auction history for 912810FH6.
Auction dateIssuedTypeOfferedAcceptedBid to coverHigh yield
Apr 7, 1999Apr 15, 1999New issue$7.0bn$7.4bn–3.899%
Oct 6, 1999Oct 15, 1999Reopening$7.0bn$7.4bn–4.138%
Oct 11, 2000Oct 16, 2000Reopening$5.0bn$5.0bn1.98x3.953%

The curve this was priced against →

Index levels before September 30, 2026 are back-tested. They were computed after the fact by applying the rules to historical data, which benefits from hindsight in the choice of rules, and an index cannot be invested in directly. Methodology v1.0 takes effect at that rebalance, when levels begin to be struck on the day; the rulebook is identical either way, and the version is published on every row.

A fitted curve is a fit, not a quote. Daily error averages 3.8 basis points across the history and reaches about 20 on the worst days, in December 2008, when the market was genuinely hard to fit one smooth curve to. Every curve page publishes its own fit error rather than burying it.

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Safe Rate™, Safe Rate Indices™ and the Safe Rate US Treasury Index™ are trademarks of Safe Rate, claimed through use in commerce and not registered. Third-party marks are the property of their owners, which are not affiliated with and do not endorse this data.

Curves are fitted from public Treasury data and carry fit error; figures are not a record of trading, and an index cannot be invested in directly. No claim of compliance with the IOSCO Principles for Financial Benchmarks is made or implied. Not investment advice, not an offer, and not a recommendation to buy or sell any security.