Treasury bond

912810RB6 · 2.875% due May 15, 2043

Original term
30-Year
Maturity
May 15, 2043
Coupon
2.875%
Pays
Semi-Annual
Dated
May 15, 2013
First coupon
Nov 15, 2013
Priced through
Sep 10, 2026
Analyzed through
Sep 10, 2026

Statement of August 31, 2026

Amount outstanding
$41.80bn
Held stripped
$3.60bn
Share stripped
8.61%

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. The index figures are published per holding.

Risk, September 10, 2026

Yield to maturity
5.368%
Modified duration
12.176 yr
DV01
0.0897
Convexity
184.926
Dirty price
73.680

Where its rate sensitivity sits

3M
6M
1Y
2Y
3Y
5Y
7Y
10Y
15Y
20Y
25Y
30Y
Sensitivity to a one basis point move at each point on the curve, in years. Concentrated in 10 of twelve buckets, summing to 12.420 years against a modified duration of 12.176.

Against the fitted curve

Priced 2.2 bp cheap to the curve on that day, 19.74 cents per 100 of face.

That is -0.95 standard deviations from its own typical residual.

Yield to maturity, 3,332 observations

1%2%3%4%5%6%May 15, 2013Sep 10, 2026May 15, 2013Yield to maturity3.163%Sep 3, 2013Yield to maturity3.815%Dec 23, 2013Yield to maturity3.880%Apr 14, 2014Yield to maturity3.500%Aug 1, 2014Yield to maturity3.294%Nov 24, 2014Yield to maturity3.030%Mar 17, 2015Yield to maturity2.612%Jul 2, 2015Yield to maturity3.214%Oct 21, 2015Yield to maturity2.870%Feb 11, 2016Yield to maturity2.455%Jun 1, 2016Yield to maturity2.590%Sep 19, 2016Yield to maturity2.407%Jan 10, 2017Yield to maturity2.964%May 1, 2017Yield to maturity2.993%Aug 17, 2017Yield to maturity2.747%Dec 6, 2017Yield to maturity2.688%Mar 28, 2018Yield to maturity2.994%Jul 17, 2018Yield to maturity2.966%Nov 2, 2018Yield to maturity3.460%Feb 27, 2019Yield to maturity3.055%Jun 17, 2019Yield to maturity2.537%Oct 3, 2019Yield to maturity1.998%Jan 27, 2020Yield to maturity2.045%May 14, 2020Yield to maturity1.228%Sep 1, 2020Yield to maturity1.295%Dec 22, 2020Yield to maturity1.486%Apr 13, 2021Yield to maturity2.224%Jul 30, 2021Yield to maturity1.837%Nov 18, 2021Yield to maturity2.020%Mar 10, 2022Yield to maturity2.510%Jun 29, 2022Yield to maturity3.530%Oct 18, 2022Yield to maturity4.367%Feb 8, 2023Yield to maturity3.903%May 26, 2023Yield to maturity4.176%Sep 15, 2023Yield to maturity4.642%Jan 5, 2024Yield to maturity4.399%Apr 24, 2024Yield to maturity4.925%Aug 13, 2024Yield to maturity4.272%Dec 3, 2024Yield to maturity4.540%Mar 25, 2025Yield to maturity4.698%Jul 14, 2025Yield to maturity4.992%Oct 30, 2025Yield to maturity4.631%Feb 23, 2026Yield to maturity4.616%Jun 10, 2026Yield to maturity5.028%Sep 10, 2026Yield to maturity5.368%

Price history

3,332 trading days to Sep 10, 2026

6080100120140May 15, 2013Sep 10, 2026May 15, 2013Close94.438Sep 3, 2013Close83.375Dec 23, 2013Close82.469Apr 14, 2014Close88.656Aug 1, 2014Close92.250Nov 24, 2014Close97.063Mar 17, 2015Close105.219Jul 2, 2015Close93.781Oct 21, 2015Close100.094Feb 11, 2016Close108.313Jun 1, 2016Close105.500Sep 19, 2016Close109.156Jan 10, 2017Close98.375May 1, 2017Close97.875Aug 17, 2017Close102.344Dec 6, 2017Close103.438Mar 28, 2018Close97.906Jul 17, 2018Close98.406Nov 2, 2018Close90.375Feb 27, 2019Close96.938Jun 17, 2019Close106.031Oct 3, 2019Close116.438Jan 27, 2020Close115.313May 14, 2020Close132.906Sep 1, 2020Close131.000Dec 22, 2020Close126.375Apr 13, 2021Close111.313Jul 30, 2021Close118.563Nov 18, 2021Close114.844Mar 10, 2022Close105.969Jun 29, 2022Close90.375Oct 18, 2022Close79.875Feb 8, 2023Close85.688May 26, 2023Close82.500Sep 15, 2023Close77.375Jan 5, 2024Close80.281Apr 24, 2024Close74.844Aug 13, 2024Close82.094Dec 3, 2024Close79.344Mar 25, 2025Close77.906Jul 14, 2025Close75.188Oct 30, 2025Close79.063Feb 23, 2026Close79.469Jun 10, 2026Close75.656Sep 10, 2026Close72.750
The most recent 20 trading days of prices for 912810RB6.
DateBidOfferClose
Sep 10, 202673.18873.12572.750
Sep 9, 202673.60973.53173.813
Sep 8, 202674.20374.15674.000
Sep 4, 202674.21974.15674.094
Sep 3, 202674.31374.25074.094
Sep 2, 202673.89173.81373.875
Sep 1, 202674.17274.12573.844
Aug 31, 202674.06374.00074.125
Aug 28, 202674.71974.65674.406
Aug 27, 202674.89174.84474.656
Aug 26, 202674.84474.78174.781
Aug 25, 202674.92274.87574.938
Aug 24, 202674.54774.46974.344
Aug 21, 202674.06374.00073.938
Aug 20, 202674.21974.15674.344
Aug 19, 202674.59474.53174.688
Aug 18, 202673.67273.62573.781
Aug 17, 202673.76673.71973.469
Aug 14, 202673.93873.87573.906
Aug 13, 202674.40674.34474.406

Prices are per 100 of face, from Treasury's own end-of-day file. A dash in the bid or offer column means none was posted that day.

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 912810RB6.
Auction dateIssuedTypeOfferedAcceptedBid to coverHigh yield
May 9, 2013May 15, 2013New issue$16.0bn$16.0bn2.53x2.980%
Jun 13, 2013Jun 17, 2013Reopening$13.0bn$13.0bn2.47x3.355%
Jul 11, 2013Jul 15, 2013Reopening$13.0bn$13.0bn2.26x3.660%

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.

Free to benchmark against. Paid only to track. Measuring anything against these curves and indices is free. No license, no fee, no registration, and no permission needed to say that you did, including in a prospectus. A fee applies to one thing: launching a product that tracks an index.

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.