• An undated issue (also called a perpetual bond or “perp”) is a bond with no fixed maturity date — it pays interest indefinitely unless the issuer redeems it.
– From a holder’s perspective an undated issue behaves like a perpetual income instrument (similar to a dividend-paying stock) but normally carries no voting rights.
– Undated issues can be treated like equity for many practical and regulatory purposes (e.g., some bank-regulatory frameworks accept certain perpetual instruments as Tier 1 capital), but their legal and accounting treatment varies by jurisdiction and instrument terms.
– Historical examples include long-standing U.K. “undated gilts” (some issued in the 19th century); the last of the U.K. undated gilts were redeemed in July 2015. (Investopedia; UK Debt Management Office)
What is an undated issue?
An undated issue is a fixed-income security that does not have a predetermined maturity date. The issuer pays coupon (interest) payments on an ongoing basis “forever,” unless the issuer exercises any contractual right to redeem the issue or defaults. Because the cash flows are potentially perpetual, these instruments are commonly called perpetual bonds or “perps.”
How undated issues work (mechanics)
– Coupons: The issuer pays periodic coupons at the stated coupon rate for as long as the bond remains outstanding. There is usually no scheduled principal repayment.
– Redemption/call provisions: Many perpetuals include a call feature that allows the issuer to redeem the bond at a defined date or dates (e.g., 5, 10, or 30 years after issuance) at a pre-specified price. If a perpetual is non-callable, the issuer cannot redeem it voluntarily except by consent or extraordinary measures.
– Pricing: Because maturity is effectively infinite, pricing is sensitive to prevailing interest rates, credit spreads and expectations about whether/when the issuer might call the issue. Perps with low coupons issued long ago often trade on yield and credit narratives rather than near-term principal return.
– Investor rights: Holders typically receive coupon payments but do not gain governance or voting rights (unlike shareholders).
Why issuers use undated issues
– Funding flexibility: Issuers obtain long-term funding without committing to a fixed-date principal repayment.
– Regulatory/tier treatment: Certain perpetual instruments can strengthen regulatory capital for banks when they meet specific criteria (e.g., qualifying as Tier 1 capital) because they behave more like equity in absorbing losses. The specific regulatory acceptance depends on the instrument’s terms and jurisdiction.
– Potentially lower near-term refinancing risk (no set maturity that must be refinanced).
Advantages and disadvantages for investors
Advantages
– Permanent income stream: Potential for ongoing coupon income.
– Diversification: Adds a different risk-return profile relative to fixed-maturity bonds and equities.
– Potential capital appreciation if market yields fall or credit improves.
Disadvantages/risks
– Interest-rate sensitivity: Very long-duration-like exposure; prices can be highly sensitive to changes in interest rates.
– Credit/default risk: If the issuer’s credit deteriorates, coupons could be reduced or payments suspended, or the issuer may default.
– Call risk: If the issuer calls the perpetual when rates fall, investors may have to reinvest at lower yields.
– Liquidity risk: Older or less-traded perpetuals can be illiquid; pricing may be volatile.
– Limited governance: No shareholder voting rights.
– Regulatory and tax treatment vary by jurisdiction — treat carefully in planning.
Historical context and notable examples
– The U.K. government issued undated gilts (gilt-edged securities) beginning in the 18th and 19th centuries; some long-lived issues (e.g., War Loan at 3.5%) remained outstanding for many decades. The U.K. Debt Management Office redeemed the last of these undated gilts in July 2015 as part of a redemption program. (Investopedia; UK Debt Management Office)
How to evaluate an undated issue — practical checklist
1. Read the prospectus/indenture
• Confirm whether the issue is truly undated or has a callable date.
• Check coupon terms, payment frequency, and any subordination (senior vs subordinated).
• Look for clauses allowing coupon suspension, step-ups in coupon, or other contingent features.
2. Determine callability and call schedule
• If callable, identify earliest call date(s) and call price(s). Yield-to-call may be a more meaningful metric than yield-to-maturity for callable perps.
3. Assess issuer creditworthiness
• Review issuer credit ratings, financial statements, leverage metrics, and industry outlook. For sovereign/permanent government issues, examine fiscal and monetary context.
4. Compare yield vs alternatives
• Compare the perpetual’s yield to similarly rated corporate bonds, preferred stock, or government bonds, accounting for liquidity, taxes and expected call behavior.
5. Estimate interest-rate sensitivity
• Treat the instrument as very long duration; consider scenario analysis for rising-rate environments and potential price declines.
6. Evaluate liquidity
• Check average daily trading volume and bid–ask spreads in secondary markets. Illiquid instruments may be costly to sell quickly.
7. Understand regulatory/tax treatment
• Confirm whether the instrument qualifies as regulatory capital (for banks) and understand the tax implications for coupon income in your jurisdiction.
Practical steps to buy, hold and manage undated issues
For individual and professional investors:
1. Research available perpetuals: Use bond screener tools, fixed-income brokers or exchange listings to identify available undated issues (sovereign gilts, corporate perpetuals, bank capital instruments, etc.).
2. Review official documentation: Download and read the prospectus/indenture and any supplemental terms. Pay special attention to call mechanics and subordination.
3. Evaluate suitability and position sizing:
• Decide allocation size based on income needs, interest-rate outlook and risk tolerance.
• Treat perps as a higher-risk, income-focused allocation — consider limiting exposure relative to high-quality core bonds.
4. Place the trade:
• Use a fixed-income desk, bond broker or your brokerage platform to buy in the secondary market or participate in a primary issue if available.
• For sovereign gilts (e.g., U.K. gilts), purchase through brokers or via markets where they trade; the issuer’s debt office (such as the UK Debt Management Office) issues primary auctions but secondary purchases are via market intermediaries.
5. Monitor ongoing credit and call risk:
• Track issuer financials and macro conditions.
• Watch for call notices, coupon step-ups, or changes to regulatory treatment that could alter value.
6. Manage exit and reinvestment risk:
• Have a plan for reinvestment if the issuer calls the bond or for hedging interest-rate exposure (e.g., duration matching, interest-rate derivatives if available to you).
Risk management tips
– Diversify across issuers and sectors to reduce idiosyncratic risk.
– Consider shorter-duration or higher-liquid alternatives for capital preservation.
– Use stress tests on interest-rate scenarios to quantify potential mark-to-market losses.
– For small retail positions, consider funds or ETFs that specialize in perpetuals or preferred securities to gain diversification and liquidity.
When to consider (and when to avoid) an undated issue
Consider perps if:
– You seek a long-term, high-coupon income stream and can tolerate price volatility and credit risk.
– You understand the call features and accept reinvestment risk if called.
– You are using the instrument for a specialized role (e.g., banks using qualifying instruments as regulatory capital).
Avoid perps if:
– You need capital preservation or have a short investment horizon.
– You cannot tolerate significant mark-to-market volatility from interest-rate moves.
– You need voting rights or equity-like upside tied to issuer performance.
Summary
Undated issues/perpetual bonds provide indefinite coupon income without scheduled principal repayment. They can serve specific issuer and investor needs — providing permanent funding for issuers and a potentially attractive yield for investors — but bring heightened interest-rate sensitivity, credit and liquidity risks. Investors should carefully review documentation, understand call mechanics, evaluate issuer credit, size positions prudently and monitor changes in both market rates and issuer fundamentals.
References
– Investopedia. “Undated Issue.” Accessed [source page]. (Author: NoNo Flores)
– United Kingdom Debt Management Office. “About Gilts.” Accessed Feb. 3, 2021.
Editor’s note: The following topics are reserved for upcoming updates and will be expanded with detailed examples and datasets.