US Treasury Bonds

Nithisha CHALLA

In this article, Nithisha CHALLA (ESSEC Business School, Grande Ecole Program – Master in Management (MiM), 2021-2024) gives a comprehensive overview of U.S. Treasury bonds, covering their features, benefits, risks, and how to invest in them

Introduction

Treasury bonds, often referred to as T-bonds, are long-term debt securities issued by the U.S. Department of the Treasury. They are regarded as one of the safest investments globally, offering a fixed interest rate and full backing by the U.S. government. This article aims to provide an in-depth understanding of Treasury bonds, from their basics to advanced concepts, making it an essential read for finance students and professionals.

What Are Treasury Bonds?

Treasury bonds are government debt instruments with maturities ranging from 10 to 30 years. Investors receive semi-annual interest payments and are repaid the principal amount upon maturity. Due to their low risk, Treasury bonds are a popular choice for conservative investors and serve as a benchmark for other interest-bearing securities.

Types of Treasury Securities

Treasury bonds are part of a broader category of U.S. Treasury securities, which include:

  • Treasury Bills (T-bills): Short-term securities with maturities of one year or less, sold at a discount and matured at face value.
  • Treasury Notes (T-notes): Medium-term securities with maturities between 2 and 10 years, offering fixed interest payments.
  • Treasury Inflation-Protected Securities (TIPS): Securities adjusted for inflation to protect investors’ purchasing power.
  • Treasury Bonds (T-bonds): Long-term securities with maturities of up to 30 years, ideal for investors seeking stable, long-term income.

Historical Performance of Treasury Bonds

Historically, Treasury bonds have been a cornerstone of risk-averse portfolios. During periods of economic uncertainty, they act as a haven, preserving capital and providing reliable income. For instance, during the 2008 financial crisis and the COVID-19 pandemic, Treasury bond yields dropped significantly as investors flocked to their safety.

Despite their stability, T-bonds are sensitive to interest rate fluctuations. When interest rates rise, bond prices typically fall, and vice versa. Over the long term, they have delivered modest returns compared to equities but excel in capital preservation.

Investing in Treasury Bonds

Investing in Treasury bonds can be done through various channels like Direct Purchase, Brokerage Accounts, Mutual Funds and ETFs, and Retirement Accounts:

  • Direct Purchase: Investors can buy T-bonds directly from the U.S. Treasury via the TreasuryDirect website.
  • Brokerage Accounts: Treasury bonds are also available on secondary markets through brokers.
  • Mutual Funds and ETFs: Investors can gain exposure to Treasury bonds through funds that focus on government securities.
  • Retirement Accounts: T-bonds are often included in 401(k) plans and IRAs for diversification.

Factors Affecting Treasury Bond Prices

Several factors influence the prices and yields of Treasury bonds such as Interest Rates, Inflation Expectations, Federal Reserve Policy, and Economic Conditions:

  • Interest Rates: An inverse relationship exists between bond prices and interest rates.
  • Inflation Expectations: Higher inflation erodes the real return on bonds, causing prices to drop.
  • Federal Reserve Policy: The Federal Reserve’s actions, such as changing the federal funds rate or engaging in quantitative easing, directly impact Treasury yields.
  • Economic Conditions: In times of economic turmoil, demand for Treasury bonds increases, driving up prices and lowering yields.

Relationship between bond price and current bond yield

Let us consider a US Treasury bond with nominal value M, coupon C, maturity T, and interests paid twice a year every semester. The coupon (or interest paid every period) is computed with the coupon rate. The nominal value is reimbursed at maturity. The current yield is the market rate, which may be lower or greater than the rate at the time of issuance of the bond (the coupon rate used to compute the dollar value of the coupon). The formula below gives the formula for the price of the bond (we consider a date just after the issuance date and different yield rates.

Formula for the price of the bond
 Formula for the price of the bond
Source: Treasury Direct

Relationship between bond price and current bond yield
 Relationship between bond price and current bond yield
Source: Treasury Direct

Download the Excel file to compute the bond price as a function of the current yield

Risks and Considerations

While Treasury bonds are low-risk investments, they are not entirely risk-free, there are several factors to consider, such as Interest Rate Risk (Rising interest rates can lead to capital losses for bondholders), Inflation Risk (Fixed payments lose purchasing power during high inflation periods), Opportunity Cost (Low returns on T-bonds may be less attractive compared to higher-yielding investments like stocks).

Treasury Bond Futures

Treasury bond futures are standardized contracts that allow investors to speculate on or hedge against future changes in bond prices. These derivatives are traded on exchanges like the Chicago Mercantile Exchange (CME) and are essential tools for managing interest rate risk in sophisticated portfolios.

Treasury Bonds in the Global Market

The U.S. Treasury market is the largest and most liquid government bond market worldwide. It plays a pivotal role in the global financial system:

  • Reserve Currency: Many central banks hold U.S. Treasury bonds as a key component of their foreign exchange reserves.
  • Benchmark for Other Securities: Treasury yields serve as a reference point for pricing other debt instruments.
  • Foreign Investment: Countries like China and Japan are significant holders of U.S. Treasury bonds, underscoring their global importance.

Conclusion

Treasury bonds are fundamental to the financial landscape, offering safety, stability, and insights into broader economic dynamics. Whether you’re a finance student building foundational knowledge or a professional refining investment strategies, understanding Treasury bonds is indispensable. As of 2023, the U.S. Treasury market exceeds $24 trillion in outstanding debt, reflecting its vast scale and importance. By mastering the nuances of Treasury bonds, you gain a competitive edge in navigating the complexities of global finance.

Why should I be interested in this post?

Understanding Treasury bonds is crucial for anyone pursuing a career in finance. These instruments provide insights into Monetary Policy, Fixed-Income Analysis, Portfolio Management, and Macroeconomic Indicators.

Related posts on the SimTrade blog

   ▶ Camille KELLERTreasury Bonds: The Backbone of U.S. Government Financing

Financial techniques

   ▶ Youssef LOURAOUIInterest rate term structure and yield curve calibration

   ▶ Ziqian ZONGThe Yield Curve

Data

   ▶ Nithisha CHALLADatastream

   ▶ Nithisha CHALLABloomberg

Useful resources

Treasury Direct Treasury Bonds

Fiscal data U.S. Treasury Monthly Statement of the Public Debt (MSPD)

Treasury Direct Understanding Pricing and Interest Rates

Wikipedia United States Treasury security

About the author

The article was written in February 2025 by Nithisha CHALLA (ESSEC Business School, Grande Ecole Program – Master in Management (MiM), 2021-2024).

Treasury Bonds: The Backbone of U.S. Government Financing

Treasury Bonds: The Backbone of U.S. Government Financing

Camille Keller

In this article, Camille KELLER (ESSEC Business School, Bachelor in Business Administration (BBA), 2020-2024) explains the purpose, significance, and global role of U.S. Treasury bonds.

Introduction

Treasury bonds (T-bonds) are long-term debt securities issued by the U.S. Department of the Treasury, fundamental to funding government operations and shaping economic policies. Backed by the “full faith and credit” of the U.S. government, they are regarded globally as benchmarks of stability and reliability.

These bonds play a dual role: domestically, they underpin the financial system and provide risk-free investment options, while globally, they influence capital flows and pricing in international markets. With their long maturities and predictable returns (if hold until maturity), Treasury bonds are a secure haven for investors in times of uncertainty.

This article explores the structure of Treasury bonds, their critical role in monetary policy, and their global significance in maintaining financial stability.

What Are Treasury Bonds and How Do They Work?

Treasury bonds are issued by the U.S. government to finance national projects and repay debt. They have maturities of 10 to 30 years and offer fixed semiannual interest payments, returning the principal amount at maturity.

Figure 1 below gives the evolution of the interest rate of Treasury bonds (30 years of maturity) over the period March 1977 – December 2024 (data from Federal Reserve Bank of St. Louis). You can download the Excel file for the historical data used to build the figure.

Figure 1. Evolution of the US Treasury bonds interest rate.
Evolution of the US Treasury bonds interest rate
Source: Federal Reserve Bank of St. Louis.

These bonds are sold through public auctions, where competitive bidders specify desired yields, and non-competitive bidders accept the auction’s determined rate. This transparent process ensures fair pricing and liquidity, making T-bonds accessible to a wide range of investors.

Treasury bonds are considered among the safest investments globally, given the U.S. government’s ability to generate revenue through taxation and currency issuance. This security makes them a key component of institutional portfolios, particularly for pension funds and central banks looking for low-risk, reliable returns.

In financial markets, T-bonds serve as a benchmark for long-term interest rates. Their yields influence borrowing costs for mortgages, corporate bonds, and loans, directly affecting economic activity. During financial uncertainty, their reputation as safe-haven assets attracts significant demand, reaffirming their stability and importance in global markets.

The Role of Treasury Bonds in Monetary Policy

Treasury bonds are integral to U.S. monetary policy, serving as tools for the Federal Reserve to manage money supply and interest rates. Through open market operations, the Federal Reserve buys or sells Treasury bonds to inject or withdraw liquidity from the financial system. These actions influence borrowing costs and economic activity.

When the Federal Reserve purchases T-bonds, it lowers interest rates, encouraging borrowing and investment. Conversely, selling bonds tightens liquidity and increases rates, curbing inflation and slowing economic growth.

T-bonds are also key indicators of inflation expectations. Fixed coupon payments lose value in inflationary periods, prompting investors to demand higher yields as compensation. Their role as a measure of market sentiment makes them critical in assessing economic conditions.

The yield curve—a graph of yields on Treasury securities of varying maturities—offers further insight. An inverted yield curve, where short-term yields exceed long-term yields, is often a precursor to economic recessions, signaling investor concerns about future growth.

Through these mechanisms, Treasury bonds enable the Federal Reserve to balance economic growth, inflation, and employment, making them indispensable to monetary policy.

Treasury Bonds as a Global Benchmark

Treasury bonds extend their influence far beyond U.S. borders, forming the bedrock of the global financial system. Their stability, liquidity, and dollar-denominated nature make them indispensable to central banks, institutional investors, and sovereign wealth funds worldwide.

Central banks, particularly those in countries like China and Japan, hold large reserves of T-bonds to stabilize exchange rates, manage currency reserves, and hedge against market volatility. Their status as a low-risk investment ensures enduring demand, reinforcing the U.S. dollar’s dominance in global finance.

T-bonds also serve as a benchmark for pricing other financial instruments. Their yields represent the risk-free rate used in valuation models for equities, corporate bonds, and derivatives, shaping investment decisions across markets.

In times of crisis, Treasury bonds attract capital as investors seek security, lowering yields and providing stability to global markets. However, this reliance also introduces vulnerabilities; events like U.S. debt ceiling debates or credit rating downgrades can disrupt global confidence in Treasury securities.

Despite these challenges, the unwavering demand for Treasury bonds highlights their critical role in ensuring liquidity and stability in the international financial system.

Why Should I Be Interested in This Post?

This post is a valuable resource for students and professionals interested in understanding the mechanics of Treasury bonds and their broader implications. It highlights the intersection of government finance, monetary policy, and global markets, offering insights into how these instruments shape economies worldwide.

Related Posts on the SimTrade Blog

   ▶ Rodolphe CHOLLAT-NAMY Introduction to bonds

   ▶ Rodolphe CHOLLAT-NAMY Bond Markets

   ▶ Rodolphe CHOLLAT-NAMY Bond valuation

   ▶ Rodolphe CHOLLAT-NAMY Bond risks

   ▶ Bijal GANDHI Credit Rating

   ▶ Jayati WALIA Credit risk

Useful Resources

U.S. Department of the Treasury

Federal Reserve Economic Data (FRED)

Federal Reserve

About the Author

The article was written in December 2024 by Camille KELLER (ESSEC Business School, Bachelor in Business Administration (BBA), 2020-2024).