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Methodik
TIPS Public

U.S. Treasury 1.00% TIPS due Feb 15, 2049

CUSIP 912810SG4 · 29-Year 6-Month · coupon paid semiannually

AAA·Govt
Real yield to maturity i
3.09%
real yield, off the Treasury real-yield curve
Current yield i
1.51%
Coupon i
1.00%
Modified duration i
19.0 yr
Convexity i
408.86
Indicative REAL price i
66.443
real model per 100 real par, not a tradable quote
real auctioned at 115.685 · 0.50% high yield (Aug 22, 2019) · reopening · at issuance, not a current price
These are real (inflation-adjusted) figures off the Treasury real-yield curve. The actual dollar invoice = the real price × this TIPS's CPI index ratio, which is not applied here.
Settles i
Oct 16, 2026
priced to this date (T+1 basis)
Real price i
66.611
real dirty price per 100 real par. The $ invoice = real price × CPI index ratio (not applied)
Next coupon i
Feb 15, 2027
0.500 per 100 (real coupon; actual $ scales with the CPI index ratio)

Cash-flow timeline

issue → maturity · each tick is a coupon · ◆ today
todayissued Aug 2019par 100 · Feb 204945 coupons remaining + principal

Terms fetched

Type TIPS Treasury Inflation-Protected Securities: the principal tracks the CPI.
Term i29-Year 6-Month
Coupon i1.00% (semiannual)
Maturity iFeb 15, 2049
Issue dateAug 30, 2019
Par value i100.00
CallableNo
Amount outstanding i$8.4B
Credit AAA·Govt
Look up on TreasuryDirect

Computed metrics computed

Clean price (real) i
66.443
Dirty price (real) i
66.611
Accrued interest i
0.168
per 100 par
Yield to maturity (real) i
3.09%
Yield to worst (real) i
3.09%
Current yield i
1.51%
Modified duration i
19.0 yr
Macaulay duration i
19.3 yr
Convexity i
408.86
DV01 i
0.1269
per 100 par

indicative REAL price/yield, discounted off the Treasury real-yield curve; CPI inflation accrual (index ratio) is not applied.

Remaining cash flows

45 payments, discounted off today's curve
DateCash flowDiscount factorPresent value
Feb 15, 20270.500 0.985820.493
Aug 15, 20270.500 0.964360.482
Feb 15, 20280.500 0.941650.471
Aug 15, 20280.500 0.918370.459
Feb 15, 20290.500 0.895570.448
Aug 15, 20290.500 0.873880.437
Feb 15, 20300.500 0.852450.426
Aug 15, 20300.500 0.831920.416
Feb 15, 20310.500 0.811400.406
Aug 15, 20310.500 0.791560.396
Feb 15, 20320.500 0.771580.386
Aug 15, 20320.500 0.752060.376
Feb 15, 20330.500 0.732630.366
Aug 15, 20330.500 0.713820.357
Feb 15, 20340.500 0.695180.348
Aug 15, 20340.500 0.677250.339
Feb 15, 20350.500 0.659340.330
Aug 15, 20350.500 0.642040.321
Feb 15, 20360.500 0.624770.312
Aug 15, 20360.500 0.608010.304
Feb 15, 20370.500 0.591330.296
Aug 15, 20370.500 0.575210.288
Feb 15, 20380.500 0.559130.280
Aug 15, 20380.500 0.543610.272
Feb 15, 20390.500 0.528120.264
Aug 15, 20390.500 0.513180.257
Feb 15, 20400.500 0.498280.249
Aug 15, 20400.500 0.483830.242
Feb 15, 20410.500 0.469500.235
Aug 15, 20410.500 0.455680.228
Feb 15, 20420.500 0.441910.221
Aug 15, 20420.500 0.428630.214
Feb 15, 20430.500 0.415410.208
Aug 15, 20430.500 0.402660.201
Feb 15, 20440.500 0.389970.195
Aug 15, 20440.500 0.377670.189
Feb 15, 20450.500 0.365490.183
Aug 15, 20450.500 0.353760.177
Feb 15, 20460.500 0.342090.171
Aug 15, 20460.500 0.330850.165
Feb 15, 20470.500 0.321440.161
Aug 15, 20470.500 0.313200.157
Feb 15, 20480.500 0.305040.153
Aug 15, 20480.500 0.297200.149
Feb 15, 2049100.500 0.2894929.094
Sum of present values 66.611

Present values sum to the dirty price; subtract 0.168 accrued to get the clean price.

Rate sensitivity i

approximate, from duration & convexity
Parallel rate moveApprox. price changeApprox. indicative price
-200 bp (-2.0%) +46.27% 97.188
-100 bp (-1.0%) +21.09% 80.457
+100 bp (+1.0%) -17.0% 55.145
+200 bp (+2.0%) -29.92% 46.564

Illustrative only: a parallel shift of the whole curve, estimated from modified duration (19.0 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.