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Methodology
Bond Public

U.S. Treasury 1.62% Bond due Nov 15, 2050

CUSIP 912810SS8 · 29-Year 10-Month · coupon paid semiannually

AAA·Govt
Yield to maturity i
5.54%
annualized · YTW equals YTM (non-callable)
Current yield i
3.36%
Coupon i
1.62%
Modified duration i
17.0 yr
Convexity i
366.87
Indicative price i
48.309
indicative model price, not a tradable quote
real auctioned at 95.413 · 1.82% high yield (Jan 13, 2021) · reopening · at issuance, not a current price
Settles i
Oct 15, 2026
priced to this date (T+1 basis)
Total to settle i
48.985
per 100 par (clean 48.309 + accrued 0.676) · ≈ $4,898.50 per $10,000 face
Next coupon i
Nov 15, 2026
0.812 per 100 · $81.25 per $10,000 face

Cash-flow timeline

issue → maturity · each tick is a coupon · ◆ today
todayissued Jan 2021par 100 · Nov 205049 coupons remaining + principal

Terms fetched

Type Bond Coupon-paying, 20 or 30 years. Interest every six months.
Term i29-Year 10-Month
Coupon i1.62% (semiannual)
Maturity iNov 15, 2050
Issue dateJan 15, 2021
Par value i100.00
CallableNo
Amount outstanding i$59.4B
Credit AAA·Govt
Look up on TreasuryDirect

Computed metrics computed

Clean price i
48.309
Dirty price i
48.985
Accrued interest i
0.676
per 100 par
Yield to maturity i
5.54%
Yield to worst i
5.54%
Current yield i
3.36%
Modified duration i
17.0 yr
Macaulay duration i
17.5 yr
Convexity i
366.87
DV01 i
0.0832
per 100 par

indicative, matrix-priced off today's par curve.

Remaining cash flows

49 payments, discounted off today's curve
DateCash flowDiscount factorPresent value
Nov 15, 20260.812 0.996500.810
May 15, 20270.812 0.975190.792
Nov 15, 20270.812 0.952710.774
May 15, 20280.812 0.929670.755
Nov 15, 20280.812 0.905990.736
May 15, 20290.812 0.884090.718
Nov 15, 20290.812 0.862140.700
May 15, 20300.812 0.841410.684
Nov 15, 20300.812 0.820710.667
May 15, 20310.812 0.800720.651
Nov 15, 20310.812 0.780710.634
May 15, 20320.812 0.760980.618
Nov 15, 20320.812 0.741340.602
May 15, 20330.812 0.722340.587
Nov 15, 20330.812 0.703390.572
May 15, 20340.812 0.685350.557
Nov 15, 20340.812 0.667360.542
May 15, 20350.812 0.649980.528
Nov 15, 20350.812 0.632640.514
May 15, 20360.812 0.615820.500
Nov 15, 20360.812 0.599100.487
May 15, 20370.812 0.582820.474
Nov 15, 20370.812 0.566570.460
May 15, 20380.812 0.550890.448
Nov 15, 20380.812 0.535250.435
May 15, 20390.812 0.520150.423
Nov 15, 20390.812 0.505090.410
May 15, 20400.812 0.490490.399
Nov 15, 20400.812 0.476010.387
May 15, 20410.812 0.462050.375
Nov 15, 20410.812 0.448140.364
May 15, 20420.812 0.434720.353
Nov 15, 20420.812 0.421350.342
May 15, 20430.812 0.408470.332
Nov 15, 20430.812 0.395640.321
May 15, 20440.812 0.383220.311
Nov 15, 20440.812 0.370910.301
May 15, 20450.812 0.359060.292
Nov 15, 20450.812 0.347260.282
May 15, 20460.812 0.335900.273
Nov 15, 20460.812 0.325110.264
May 15, 20470.812 0.316810.257
Nov 15, 20470.812 0.308610.251
May 15, 20480.812 0.300720.244
Nov 15, 20480.812 0.292960.238
May 15, 20490.812 0.285540.232
Nov 15, 20490.812 0.278210.226
May 15, 20500.812 0.271190.220
Nov 15, 2050100.812 0.2642626.640
Sum of present values 48.985

Present values sum to the dirty price; subtract 0.676 accrued to get the clean price.

Rate sensitivity i

approximate, from duration & convexity
Parallel rate moveApprox. price changeApprox. indicative price
-200 bp (-2.0%) +41.32% 68.269
-100 bp (-1.0%) +18.82% 57.403
+100 bp (+1.0%) -15.15% 40.988
+200 bp (+2.0%) -26.64% 35.439

Illustrative only: a parallel shift of the whole curve, estimated from modified duration (17.0 yr) and convexity. Real moves are rarely parallel; this is not a forecast.

What to know

Key risks

  • Interest-rate risk. If market yields rise, the price falls, and more so the longer the maturity. See the rate-sensitivity table above.
  • Inflation risk. Fixed coupons lose purchasing power if inflation rises. TIPS are designed to offset this; nominal bills, notes and bonds are not.
  • Reinvestment risk. Coupons, and principal at maturity, may have to be reinvested later at lower rates than today's.
  • Liquidity / price risk. Selling before maturity means taking the market price at that time, which can be above or below the indicative value shown here.

Tax

Interest on U.S. Treasuries is subject to federal income tax but is generally exempt from state and local income tax.

How Treasuries are bought

New issues are sold at auction (including directly via TreasuryDirect.gov); outstanding securities trade on the secondary market through a broker. This site is for research only and does not sell or recommend securities.

General information only, not tax, legal or investment advice.

Benchmark yield, past year

All tenors →
4.345.145.94Jan 2026Oct 2026

Par yield of the nearest benchmark tenor, the main input to this bond's price.