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What Is a Debenture?


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    Highlights

  • Debentures are unsecured debt instruments backed only by the issuer's creditworthiness and reputation, not collateral
  • They can be convertible to equity shares or nonconvertible, offering different benefits to investors
  • Key features include interest rates, credit ratings, and maturity dates that influence their risk and return
  • While advantageous for issuers with lower rates and longer terms, debentures carry risks like inflation, interest rate changes, and default based on the issuer's financial health
Table of Contents

What Is a Debenture?

Let me explain what a debenture is directly to you: it's a type of bond or debt instrument that's unsecured by any collateral. This means debentures depend entirely on the creditworthiness and reputation of the issuer to hold their value. You'll see both corporations and governments issuing them to raise capital or funds.

Understanding Debentures

Just like most bonds, debentures often pay periodic interest through coupon payments, and they're documented in an indenture, which is a binding contract between the issuer and bondholders. This contract outlines details like the maturity date, payment timing, interest calculation method, and other features. Governments usually issue long-term bonds with maturities over 10 years, backed by their own credibility, making them low-risk. For corporations, debentures serve as long-term loans but remain unsecured, supported only by the company's financial strength and creditworthiness. These instruments come with an interest rate and are repayable on a fixed date, with interest payments typically prioritized over stock dividends to shareholders. From my perspective, debentures benefit companies with lower interest rates and extended repayment periods compared to other loans.

Types of Debentures

Debentures come in several types, and I'll break them down for you. Registered debentures are logged with the issuer, so any transfer requires notifying them through a clearing facility to ensure interest goes to the right owner. Bearer debentures, however, aren't registered; whoever holds the bond gets the interest. Redeemable debentures specify exact repayment terms and dates, while irredeemable ones don't require full repayment by a set date, earning them the name perpetual debentures. Convertible debentures can turn into equity shares after a period, blending debt and equity benefits—companies pay fixed interest, but holders can convert if they expect stock value to rise, though this comes with lower interest rates. Nonconvertible debentures can't convert and offer higher interest to make up for it.

Features of a Debenture

When issuing a debenture, a trust indenture is drafted first—it's an agreement between the issuer and a trustee who looks after investor interests. The interest rate, or coupon rate, is set next; it can be fixed or floating, perhaps tied to something like the 10-year Treasury bond yield. The credit rating of the company and the debenture itself affects this rate—agencies like Standard & Poor's assign grades from AAA to D, with BB or lower being speculative or junk bonds, indicating higher default risk. For nonconvertible debentures, the maturity date is crucial, determining when repayment happens, either as a lump sum or through annual payments via a redemption reserve.

Advantages and Disadvantages of Debentures

Debentures are a standard way for corporations to issue long-term debt, helping them raise capital while providing investors with regular interest payments that are safer than equity shares. Since they're unsecured, they're riskier than secured notes, leading to higher interest rates to attract bondholders—you need to check the issuer's creditworthiness carefully. Not all debentures are high-risk; U.S. Treasury bonds and bills are debentures too, considered risk-free despite lacking collateral. On the positive side, they offer regular coupon returns, convertibility options, and priority in bankruptcy over common shareholders. Drawbacks include interest rate risk in rising markets, default risk tied to the issuer's viability, and inflationary risk if payments don't match price increases.

Debenture Risks to Investors

As an investor, you should know debentures carry inflationary risk where interest might not keep pace with rising prices, leading to real losses. There's also interest rate risk—if market rates rise, your fixed-rate debenture yields less than newer options. Credit and default risks depend on the issuer's financial health; in tough times, default is possible, though you'd get paid before common shareholders in bankruptcy.

Example of a Debenture

Take the U.S. Treasury bond as an example—it's a government debenture used to finance projects and operations, issued through auctions and tradable in secondary markets. Backed by the U.S. government's full faith, it's nearly risk-free but still vulnerable to inflation and rate hikes.

How Debentures Differ From Bonds and Other FAQs

A debenture is essentially a type of bond, specifically unsecured with longer maturities, unlike secured bonds backed by assets. They're less risky than stocks but riskier than collateralized debts, often with higher rates. Structuring involves a trust indenture, setting the coupon rate based on credit, and deciding convertibility. From the issuer's view, it's a liability; for you as an investor, it's an asset.

The Bottom Line

In summary, debentures are unsecured bonds from corporations and governments, riskier without collateral but relying on creditworthiness—like U.S. Treasury bonds. They suit raising capital but demand attention to risks.

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