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Treasury Inflation Protected Securities (TIPS)

We sell TIPS for a term of 5, 10, or 30 years.

As the name implies, TIPS are set up to protect you against inflation.

Unlike other Treasury securities, where the principal is fixed, the principal of a TIPS can go up or down over its term.

When the TIPS matures, if the principal is higher than the original amount, you get the increased amount. If the principal is equal to or lower than the original amount, you get the original amount.

TIPS pay a fixed rate of interest every six months until they mature. Because we pay interest on the adjusted principal, the amount of interest payment also varies.

You can hold a TIPS until it matures or sell it before it matures.

TIPS at a Glance

Now issued in Electronic form only
Matures in 5, 10, or 30 years
Interest rate The rate is fixed at auction and is never less than 0.125%.
Treasury TIPS auction rules allow for negative real yield bids. See "Information on Negative Rates and TIPS"
The amount you get is based on the principal at the time of each interest payment and the principal can go up or down.
See Results of recent TIPS auctions. For more information, also see our page on the daily index ratio for TIPS.
Interest paid Every six months until maturity
Minimum purchase $100
In increments of $100
Maximum purchase $10 million (non-competitive bid)
35% of offering amount (competitive bid)
(See Buying a Treasury marketable security for information on types of bids.)
Auction frequency 5-year TIPS
  • Original issue: April, Oct.
  • Reopenings: June, Dec.
10-year TIPS
  • Original issue: Jan., July
  • Reopenings: March, May, Sept., Nov.
30-year TIPS
  • Original issue: Feb.
  • Reopening: Aug.
See the Auction calendar for specific dates.
Taxes Federal tax due each year on interest earned. Any increase or decrease in the principal during the year may affect your federal taxes.
No state or local taxes
Eligible for STRIPS? Yes

How TIPS protects you against inflation

The principal (called par value or face value) of a TIPS goes up with inflation and down with deflation.

When a TIPS matures, you get either the increased (inflation-adjusted) price or the original principal, whichever is greater. You never get less than the original principal.

Also, see our page on "Comparing TIPS and Series I Savings Bonds".

How and when we adjust TIPS for inflation

We adjust the principal of your TIPS using this version of the Consumer Price Index from the Bureau of Labor Statistics.

You can use our page on the daily index ratios to see how your TIPS principal is changing.

We're Here to Help

We welcome your questions and comments.

Write Us

If you write to us and want a response, please put your address in your letter (not just on the envelope).

Department of the Treasury
Bureau of the Fiscal Service
Attention: Auctions
3201 Pennsy Drive, Building E
Landover, MD 20785

Call Us

For general inquiries, please call us at 844-284-2676 (toll free)

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