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Perpetual Bonds Unveiled: Definition, Characteristics, and Risks

A perpetual bond is a unique type of fixed-income security that is issued without an expiration or maturity date, hence the name "perpetual." These bonds, also known as "consols" or "perps", are essentially loan agreements where the issuer commits to making interest payments to the bondholder indefinitely.

What Are Perpetual Bonds?

Perpetual bonds are financial instruments that represent a long-term debt obligation. Unlike conventional bonds, which have a specified maturity date, perpetual bonds do not commit the issuer to repay the principal at a future date. Instead, the issuer is obligated to make periodic interest payments to the bondholder indefinitely, theoretically forever.

Characteristics of Perpetual Bonds

No Maturity Date

Perpetual bonds are distinct in that they lack a maturity date. This means the issuer is not legally obligated to repay the principal amount of the bond, thus the bonds theoretically last forever.

Regular Interest Payments

Despite the absence of a maturity date, perpetual bonds are obligated to make regular interest payments, often referred to as coupon payments, to the bondholder. These payments are typically made semi-annually or annually and are fixed, meaning they do not change over time.


Another key feature of perpetual bonds is that they cannot be redeemed by the bondholder. This means the holder cannot demand the return of the principal amount from the issuer. However, the issuer often retains the right to redeem or "call" the bond at their discretion after a specified period.

Equity-Like Nature

Due to their perpetual nature and lack of principal repayment, perpetual bonds are often considered more similar to equity than debt. Just like a shareholder in a company receives dividends indefinitely, a holder of perpetual bonds receives interest payments forever.

The Appeal of Perpetual Bonds

Perpetual bonds can be an attractive investment for several reasons:

Steady Income Stream

For investors seeking a predictable income stream, perpetual bonds can be an ideal choice. The regular, fixed coupon payments provide a constant flow of income for the bondholder.

Higher Coupon Rates

Perpetual bonds typically offer higher coupon rates compared to similar bonds with a fixed maturity date. This higher interest rate serves as compensation for the perpetual nature of the bond and the associated risks.

Flexibility for Issuers

From the issuer's perspective, perpetual bonds provide flexibility as they are not obligated to repay the principal amount. This attribute makes them a useful tool for raising capital, particularly in times of economic uncertainty.

Risks Associated with Perpetual Bonds

Despite their appeal, perpetual bonds come with several risks that investors should be aware of:

Credit Risk

Investors are exposed to the issuer's credit risk indefinitely. If the issuer experiences financial difficulties or goes bankrupt, the investor's income stream could be at risk.

Interest Rate Risk

Perpetual bonds are also subject to interest rate risk. If market interest rates rise above the bond’s coupon rate, the bond's market value could decrease.

Call Risk

Since issuers often retain the right to call the bond, investors also face call risk. If the issuer decides to redeem the bond, the investor may be forced to reinvest their funds at a lower interest rate.

Calculating the Value of a Perpetual Bond

The value of a perpetual bond can be calculated using the formula: Present Value = C / r, where C is the annual coupon payment, and r is the discount rate or required rate of return. This formula reflects the present value of all future coupon payments, discounted back to the present day.

A Brief History and Examples of Perpetual Bonds

Perpetual bonds have a long history, with one of the earliest examples being the consols issued by the British government in the 18th century to fund wars and other government expenses. These bonds were a mainstay of the British debt structure until they were redeemed in 2015.

In recent times, perpetual bonds have been used by various entities to secure long-term financing. For example, The Walt Disney Company issued perpetual bonds in 2020, leveraging the low-interest-rate environment to obtain financing without the immediate concern of repayment.

In Asia, perpetual bonds have been particularly popular among banks, with institutions in the Philippines using them to meet Basel III capital requirements. Indian corporations and the government have also issued perpetual bonds, with the latter using them to manage fiscal deficits.

Summary and Key Takeaways

Perpetual bonds are a unique financial instrument that offers regular, fixed-interest payments indefinitely. They offer an attractive income stream, especially for investors seeking a steady, predictable flow of income. However, these bonds come with several risks, including credit risk, interest rate risk, and call risk.

Key takeaways from this article include:

  • Perpetual bonds have no maturity or expiration date.
  • These bonds offer a steady stream of interest payments indefinitely.
  • Perpetual bonds are non-redeemable, but the issuer often retains the right to call the bond.
  • Due to their perpetual nature, these bonds are considered more similar to equity than debt.
  • Perpetual bonds come with several risks, including credit risk, interest rate risk, and call risk.
  • The value of a perpetual bond can be calculated using a simple formula.
  • Consulting with a financial advisor can provide valuable insights into investing in perpetual bonds.

By considering these factors and examples, investors can better assess whether perpetual bonds align with their investment goals and risk tolerance.

Joe Robert profile picture
Joe Robert
Robert Ventures CEO
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