30-Year 3-7/8% Treasury Inflation-Indexed Bond, Due 4/15/2029
DTP30A29 • Economic Data from Federal Reserve Economic Data (FRED)
Latest Value
1.19
Year-over-Year Change
-4.03%
Date Range
10/7/2021 - 8/6/2025
Summary
The 30-Year Treasury Inflation-Indexed Bond represents a critical financial instrument that provides investors with protection against inflation risk. This bond allows investors to preserve purchasing power by adjusting principal and interest payments based on changes in the Consumer Price Index.
Analysis & Context
This economic indicator provides valuable insights into current market conditions and economic trends. The data is updated regularly by the Federal Reserve and represents one of the most reliable sources for economic analysis.
Understanding this metric helps economists, policymakers, and investors make informed decisions about economic conditions and future trends. The interactive chart above allows you to explore historical patterns and identify key trends over time.
About This Dataset
Treasury Inflation-Protected Securities (TIPS) are government bonds designed to shield investors from inflationary pressures by linking their value to inflation rates. Economists and investors closely monitor these securities as indicators of market expectations about future inflation and real interest rates.
Methodology
The bond's principal value is adjusted quarterly based on the Consumer Price Index for All Urban Consumers (CPI-U), with interest payments calculated on the inflation-adjusted principal.
Historical Context
These bonds are crucial for monetary policy analysis, providing insights into market-based inflation expectations and serving as a benchmark for long-term investment strategies.
Key Facts
- Provides protection against inflation by adjusting principal value
- Issued and backed by the U.S. Treasury
- Offers a way to maintain purchasing power over long-term investments
FAQs
Q: How do Treasury Inflation-Protected Securities work?
A: TIPS adjust their principal value based on inflation, with interest payments calculated on the inflation-adjusted principal. This ensures that the investment's real value remains consistent over time.
Q: Why are TIPS important for investors?
A: TIPS provide a hedge against inflation, protecting investors from the erosion of purchasing power during periods of rising prices. They offer a low-risk way to preserve capital in uncertain economic environments.
Q: How is the inflation adjustment calculated?
A: The principal is adjusted quarterly using the Consumer Price Index for All Urban Consumers (CPI-U), with increases adding to the bond's principal value and decreases potentially reducing it.
Q: What makes this specific bond unique?
A: This 30-year Treasury Inflation-Indexed Bond offers long-term inflation protection with a fixed coupon rate, making it attractive for investors seeking stable, inflation-adjusted returns.
Q: How often is this bond's data updated?
A: The bond's data is typically updated quarterly, coinciding with the inflation adjustments to the principal value based on the CPI-U.
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Citation
U.S. Federal Reserve, 30-Year 3-7/8% Treasury Inflation-Indexed Bond, Due 4/15/2029 [DTP30A29], retrieved from FRED.
Last Checked: 8/1/2025