Treasury Inflation-Protected Security

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Definition: Treasury Inflation-Protected Security


Treasury Inflation-Protected Security


Full Definition of Treasury Inflation-Protected Security


A Treasury Inflation-Protected Security (TIPS) is a U.S. Treasury bond whose interest and redemption payments are tied to inflation.

A Treasury Inflation-Protected Security pays a fixed rate of interest, with principal value adjusted semiannually, based on changes in the Consumer Price Index. Consequently, interest payments of a Treasury Inflation-Protected Security may vary. At maturity (5, 10, or 20 years), the Treasury Inflation-Protected Security returns the initial principal to the investor, adjusted for inflation.

Like other Treasury securities, a Treasury Inflation-Protected Security is “backed by the full faith and credit of the United States government” and is exempt from state and local income taxes, but is subject to federal income tax. A gain in principal in a Treasury Inflation-Protected Security is considered reportable income for that year, even though the principal is not distributed until the Treasury Inflation-Protected Security matures.


Related Phrases


Bond
Treasury bills
Treasury bond fund
Treasury note


Treasury Inflation-Protected Security FAQ's


What Are Tips?

TIPS are Treasury Inflation-Protected Securities, a type of bond that is issued by the Treasury Department.

TIPS are auctioned with 5, 10 and 20-year maturities. Secondary market TIPS can provide a selection of maturity dates.

Here is the Treasury’s information page about TIPS:

http://www.treasurydirect.gov/instit/marketables/tips/tips.htm

Like all Treasury bonds, TIPS are backed by the full faith and credit of the U.S. government. TIPS interest is subject to federal income tax but is state and local tax-exempt.

TIPS can be bought on the auction date either from Treasury directly or from a brokerage. TIPS can also be bought on the secondary bond market at any time.

The coupon yield of the TIPS is set on the auction date.

Interest payments are calculated by applying the coupon rate to the principal.

This is what makes TIPS different from most other bonds: TIPS principal isn’t fixed.

The principal of the TIPS is adjusted by changes in the Consumer Price Index for Urban Consumers (CPI-U). The coupon yield is applied to the inflation-adjusted principal for the interest, which is paid every 6 months.

Because TIPS are inflation-adjusted, their price is more stable than ordinary Treasury bonds, whose value drops if inflation rises above the predicted inflation rate. TIPS price movements are based solely on interest rate movements since they are adjusted for inflation.

The difference between the yield of a Treasury and a TIPS of the same maturity indicates the market’s prediction of inflation over that duration because Treasuries and TIPS are equally safe.

If you believe that inflation will be higher than the predicted inflation rate over the duration of the bond, you should buy TIPS instead of Treasuries.

Current yields on Treasuries and TIPS can be found at:

http://www.bloomberg.com/markets/rates/

Auction dates for TIPS can be found at:

Click to access auctions.pdf

TIPS can be bought on the secondary market from many brokerages. When you buy a seasoned TIPS, you will pay more than the original issue price, because the principal has been adjusted by inflation. This is called the “Original Issue Discount” or OID. When the bond matures, or you sell it, you will receive the inflation-adjusted principal. The inflation-adjusted principal is based on the Daily Index Ratio of the CPI-U.

Historical Reference CPI Numbers and Daily Index Ratios

http://www.treasurydirect.gov/instit/annceresult/tipscpi/tipscpi_hiscpi.htm

If deflation occurs, the Daily Index Ratio will go down, causing the principal to go down. The value of seasoned TIPS will decline in deflation. However, the principal of the TIPS at maturity can never decline below its issue value. If you anticipate deflation, it’s better to buy regular Treasuries — or to buy TIPS at auction, not on the secondary market.

Like all bonds, the price of a secondary market TIPS will rise if prevailing interest rates fall, and fall if prevailing interest rates rise (and also with market supply and demand).

The historical data of market yields for TIPS bonds (and other Treasuries) of various maturities can be found at:

http://www.federalreserve.gov/releases/h15/data.htm

Between 1/3/2003 and 6/12/2009, the market yield of the 10-year TIPS (constant maturity) fluctuated between 0.99% and 3.07%, with an average of 1.99%.

Between 1/3/2003 and 6/12/2009, the market yield of the 10 year Treasury (constant maturity) fluctuated between 2.18% and 5.22%, with an average of 4.18%.

The standard deviation of the TIPS over this period was 0.36%, while the standard deviation of the 10 Year Treasury was 0.58%. This shows that the TIPS yield is more stable than the Treasury yield.

Between 1/2003 and 5/2009, the Treasury – TIPS spread was consistently lower than the inflation rate. This shows that the bond market underestimates inflation. TIPS owners would receive a higher yield to maturity than Treasury owners when this happens. If inflation is “higher than expected” in the future, TIPS owners will be compensated, while Treasury owners will suffer.

The Treasury Inflation-Protected Security is one of the safest, most stable investments available. It protects the value of the investment from inflation while providing a small yield.


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Definition Sources


Definitions for Treasury Inflation-Protected Security are sourced/syndicated and enhanced from:

  • A Dictionary of Economics (Oxford Quick Reference)
  • Oxford Dictionary Of Accounting
  • Oxford Dictionary Of Business & Management

This glossary post was last updated: 28th November, 2021 | 0 Views.