What Is the 30-Year Treasury?

What Is the 30-Year Treasury?

4 Min.

The U.S. government issues different types of securities, including 30-year Treasuries, Treasury bills, notes, and Inflation-Protected Securities (TIPS). 30-year Treasuries have a maturity of 30 years and pay interest twice a year until they reach maturity, at which point they pay the face value of the bond.


In the realm of U.S. Treasury debt obligations, the 30-Year Treasury once held the mantle as a steadfast commitment, maturing over three decades. However, today, it has ceded its prominent status to the 10-Year Treasury, widely regarded as the new standard.

Deciphering the 30-Year Treasury and Other U.S. Government Debt Instruments

The U.S. government employs debt securities as a means to secure investments from various sources through its Treasury Department. Among the available debt instruments offered by the government are Treasury bills (T-bills), notes, and Treasury Inflation-Protected Securities (TIPS). T-bills constitute marketable securities issued for durations of less than a year, while Treasury notes encompass maturities spanning from two to 10 years.

TIPS, on the other hand, represent marketable securities with their principal value subject to adjustments in accordance with fluctuations in the Consumer Price Index (CPI). In instances of inflation, the principal amount rises; conversely, during periods of deflation, it experiences a decline. Notably, longer-term U.S. Treasury securities are available for purchase in the form of U.S. Savings bonds and Treasury bonds.

Key Aspects of Treasury Bonds

Treasury bonds emerge as extended-term debt securities with a maturity of either 20 or 30 years from their issuance. These tradable assets dispense interest payments biannually, effectively every six months until they reach their endpoint. Upon maturity, investors receive the bond's face value. Notably, the 30-year Treasury bond typically offers a more generous interest rate than its shorter counterparts, reflecting the additional risks associated with an extended maturity. Nevertheless, Treasury bonds remain a relatively secure investment choice, bolstered by the guarantee of the U.S. government.

The pricing and interest rate of the 30-year Treasury bond are determined through auctions, and the bond's value is fixed at either par, premium, or discount to par. If the yield to maturity (YTM) surpasses the interest rate, the bond is issued at a discount; if it equals the interest rate, it is valued at par. In contrast, if the YTM falls below the interest rate, the Treasury bond is sold at a premium to par. During a single auction, bidders can acquire up to $5 million in bonds through non-competitive bidding or up to 35% of the initial offering amount through competitive bidding. Moreover, the bonds are attainable in increments of $100, with a minimum purchase threshold of $100. 

30-Year Treasury vs. Savings Bonds

U.S. Savings bonds, specifically Series EE Savings bonds, are classified as non-marketable securities that accrue interest over a 30-year duration. Unlike Treasury bonds, interest is not disbursed periodically but rather accumulates, with the investor receiving the total accrued interest upon redemption. While it's possible to redeem the bond after just one year, selling it before five years from the purchase date incurs a penalty, resulting in the forfeiture of the last three months' interest. For instance, should an investor decide to sell their Savings bond after 24 months, they will only receive interest for 21 months.

Given the United States' reputation as an exceedingly low-risk debtor, 30-year Treasury interest rates are often regarded as a barometer of the broader bond market's health. Typically, these interest rates decline in response to heightened demand for 30-year Treasury securities and conversely rise when demand decreases. The S&P U.S. Treasury Bond Current 30-Year Index serves as a representation of the most recently issued 30-year U.S. Treasury bond, employing a market value-weighted methodology.


The U.S. government issues various securities, including the 30-year Treasury and other bonds, to raise funds. The 30-year Treasury, once a benchmark, has now given way to the 10-year Treasury. U.S. government debt instruments encompass Treasury bills, notes, and TIPS, offering investors both marketable and long-term options. These bonds provide secure investments, with the 30-year Treasury offering higher interest due to its extended maturity. Savings bonds, like Series EE Savings bonds, accumulate interest over 30 years, with redemption possible after one year but incurring penalties if sold within the first five years. The 30-year Treasury's interest rates are closely watched as indicators of the broader bond market's health. In conclusion, U.S. government securities offer a diverse range of investment choices, each catering to different risk and yield preferences.

30-Year Treasury
Treasury Bill
Treasury Inflation-Protected Securities (TIPS)
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