# Debt Securities Explained: Types, Risks, and Investment Strategies

## What Is a Debt Security?

Debt securities, also known as [debt instruments](https://www.investopedia.com/terms/d/debtinstrument.asp), and including government and corporate bonds, provide a fixed stream of income through interest payments. These instruments are generally less risky than equity securities because they involve repayment of the principal. While they can yield stable returns, understanding their types and associated risks, such as issuer default, is crucial for informed investment decisions.

Other debt securities include certificates of deposit (CD), municipal bonds, and preferred stock. Debt securities can also come in the form of collateralized securities, such as [collateralized debt obligations](https://www.investopedia.com/terms/c/cdo.asp) (CDOs), collateralized mortgage obligations (CMOs), mortgage-backed securities (MBSs) issued by the Government National Mortgage Association (GNMA), and [zero-coupon securities](https://www.investopedia.com/terms/z/zero-couponbond.asp).

### Key Takeaways

*   Debt securities are financial instruments that offer a fixed stream of interest payments and must be repaid by the borrower at maturity.
*   Common types of debt securities include government bonds, corporate bonds, municipal bonds, and certificates of deposit (CDs).
*   The risk level of a debt security depends on factors such as the creditworthiness of the issuer and can vary between different securities.
*   Debt securities are typically considered less risky than equity securities, as they require repayment of principal and interest.
*   In the event of bankruptcy, debt security holders have a higher claim on assets than equity holders.

![Debt Security: An interest-bearing loan that investors can buy and sell stakes in.](https://www.investopedia.com/thmb/zcDV2xe9t9wWszCuhrZllgom5w8=/1500x0/filters:no_upscale():max_bytes(150000):strip_icc()/Debtsecurity_sketch_final-9399fbacefd64c71be2d3a12871331c3.png)

*— Investopedia / Michela Buttignol*

## Understanding the Mechanics of Debt Securities

A debt security is a type of financial asset that is created when one party lends money to another. For example, corporate bonds are debt securities issued by corporations and sold to investors. Investors lend money to corporations in return for a pre-established number of interest payments, along with the return of their principal upon the bond's maturity date.

Government bonds, on the other hand, are debt securities issued by governments and [backed by faith in that government](https://www.investopedia.com/ask/answers/06/creditrating.asp), which are sold to investors. Investors lend money to the government in return for interest payments (called [coupon payments](https://www.investopedia.com/terms/c/coupon-rate.asp)) and a return of their principal upon the bond's maturity.

Debt securities, or [fixed-income securities](https://www.investopedia.com/terms/f/fixedincome.asp), generate a steady income through interest payments. Unlike equity investments, in which the return earned by the investor is dependent on the market performance of the equity issuer, debt instruments guarantee that the investor will receive repayment of their initial principal, plus a predetermined stream of interest payments.

However, debt securities still carry risk; the issuer might [default](https://www.investopedia.com/terms/d/default2.asp) or declare bankruptcy.

## Evaluating the Risks Associated with Debt Securities

Since borrowers must make payments, debt securities are seen as less risky than stocks. Of course, as is always the case in investing, the true risk of a particular security will depend on its specific characteristics.

A financially strong company in a stable market is less likely to default than a startup. In this case, the mature company would likely be given a more favorable credit rating by the three major [credit rating agencies](https://www.investopedia.com/terms/c/creditrating.asp): Standard & Poor’s (S&P), Moody’s Corporation, and Fitch Ratings.

Generally, companies with high credit ratings offer lower interest rates on debt securities. For example, as of July 2023, Moody's Seasoned Aaa corporate bond yield is 4.66% whereas its Seasoned Baa corporate bond yield is 5.74%.

Since the Aaa rating denotes a lower perceived risk of credit default, it makes sense that market participants are willing to accept a lower [yield](https://www.investopedia.com/terms/y/yield.asp) in exchange for these less risky securities.

## Comparing Debt and Equity Securities: Key Differences

Equity securities represent a claim on the earnings and assets of a corporation, while debt securities are investments in debt instruments. For example, a stock is an equity security, while a bond is a debt security. When an investor buys a corporate bond, they are essentially loaning the corporation money and have the right to be repaid the principal and interest on the bond.

> **Important**
>
> If a corporation goes bankrupt, bondholders get paid before shareholders.

In contrast, when someone buys stock from a corporation, they essentially buy a piece of the company. If the company profits, the investor profits as well, but if the company loses money, the stock also loses money.

## What Is an Example of a Debt Security?

The most common example of a debt security is a bond, whether that be a government bond or corporate bond. These securities are purchased by an investor and pay out a stream of income in the form of interest payments. At the bond's maturity, the issuer buys back the bond from the investor.

## Who Issues Debt Securities?

The most common issuer of debt securities are corporations and governments. Both issue debt securities to raise money: governments to finance projects or for day-to-day operations and corporations to fund growth, pay down other debt, and also to finance day-to-day operations.

## What Is the Risk of a Debt Security?

The risk of a debt security is that the issuer defaults on their debt. If the issuer experiences financial hardship, they may no longer be able to make interest payments on their outstanding debt. They may also not be able to repurchase their outstanding debt at maturity, particularly if they go bankrupt.

## The Bottom Line

Debt securities are financial assets issued by corporations, governments, and other entities that offer fixed-income returns through interest payments. Unlike equity investments, debt securities require the borrower to repay the principal amount. They include bonds of various types and are generally seen as less risky than equities. Investors use debt securities to diversify portfolios while receiving a predetermined income stream. However, risks remain, mainly if the issuer defaults, so careful assessment of creditworthiness is crucial. Always consider the trade-off between risk and return in making your investment decisions.

> **Article Sources**
>
> 1.  U.S. Securities and Exchange Commission. "[Mortgage-Backed Securities and Collateralized Mortgage Obligation](https://www.investor.gov/introduction-investing/investing-basics/glossary/mortgage-backed-securities-and-collateralized)."
>     
> 2.  U.S. Securities and Exchange Commission. "[What Are Corporate Bonds?](https://www.sec.gov/files/ib_corporatebonds.pdf)"
>     
> 3.  U.S. Securities and Exchange Commission. "[Bonds](https://www.investor.gov/introduction-investing/investing-basics/investment-products/bonds-or-fixed-income-products/bonds)."
>     
> 4.  FINRA. "[Investment Products: Bonds](https://www.finra.org/investors/investing/investment-products/bonds)."
>     
> 5.  U.S. Securities and Exchange Commission. "[Risk and Return](https://www.investor.gov/additional-resources/information/youth/teachers-classroom-resources/risk-and-return)."
>     
> 6.  St. Louis Fed, FRED. "[Moody's Seasoned Baa Corporate Bond Yield](https://fred.stlouisfed.org/series/BAA)."
>     
> 7.  St. Louis Fed, FRED. "[Moody's Seasoned Aaa Corporate Bond Yield](https://fred.stlouisfed.org/series/AAA)."