Glossary term
Bond Indenture
A bond indenture is the legal agreement that sets the terms, covenants, rights, and obligations of a bond issue.
Updated
Read time
What Is a Bond Indenture?
A bond indenture is the legal agreement that sets the terms, covenants, rights, and obligations of a bond issue. It defines what the issuer promises to pay, what bondholders are entitled to receive, and what happens if the issuer violates the terms.
The indenture is one of the most important documents in bond investing because the bond's risk is not determined by coupon and maturity alone. Protective covenants, call features, collateral, subordination, and default remedies can materially change the investor's position.
Key Takeaways
- A bond indenture is the governing contract for a bond issue.
- It explains payment terms, covenants, security, redemption rights, and default provisions.
- A trustee may act on behalf of bondholders under the indenture.
- Indenture terms can affect credit risk, call risk, and recovery in default.
- Investors should read the offering documents, not just the bond's headline yield.
What an Indenture Covers
The indenture usually describes the principal amount, coupon, payment dates, maturity, redemption terms, covenants, ranking, collateral, events of default, amendment rules, and trustee responsibilities. It may also describe sinking funds, make-whole calls, reporting obligations, or restrictions on additional debt.
Some terms protect bondholders. Others give flexibility to the issuer. The balance between those terms can affect both yield and risk.
Common Indenture Terms
Term | What it controls |
|---|---|
Payment terms | Coupon, principal, dates, and maturity. |
Covenants | Issuer promises or restrictions. |
Call provisions | Whether and when the issuer can redeem early. |
Security and ranking | Collateral and priority versus other creditors. |
Default remedies | What happens after a breach or missed payment. |
Why It Changes Bond Risk
Two bonds from similar issuers can carry different risks because their indentures differ. One bond may be secured while another is unsecured. One may restrict additional borrowing while another allows more leverage. One may have a generous make-whole provision while another can be called at par.
Those details affect valuation. A higher yield may compensate for weaker covenants or less protection, while a lower yield may reflect stronger security, better ranking, or more predictable cash flows.
The indenture also matters after trouble begins. If an issuer misses a payment or breaches a covenant, the document determines notice rules, acceleration rights, trustee duties, and how bondholders can act collectively.
Example
Suppose two companies issue five-year bonds with similar coupons. One indenture limits additional secured debt and includes a make-whole call. The other has fewer covenants and allows broad refinancing flexibility. The headline coupon may look similar, but the investor protections are not.
The Bottom Line
A bond indenture is the contract that governs a bond issue. It defines the cash-flow promise and the legal protections around that promise, making it essential for understanding the real risk behind a bond's yield.