Corporate bonds: when do they become attractive?

A corporate bond is a loan made by an investor to a company. In return, the company commits to two things:

• paying regular interest, known as the coupon, and
• repaying the initial investment at maturity.

Unlike stocks, corporate bonds do not give ownership, voting rights or access to upside if the company performs exceptionally well. Instead, investors hold a contractual claim.

This leads to a fundamental principle:

Prefer watching instead of reading? In this short video, I explain how corporate bonds work, what drives their prices and when they can become an attractive addition to a diversified investment portfolio.

As long as the company avoids default, investors receive their payments as agreed.

The two main categories of bonds are sovereign bonds and corporate bonds.

• Sovereign bonds are issued by governments, such as US Treasuries or German Bunds
• Corporate bonds are issued by companies to finance operations, investments or refinancing

Sovereign bonds in developed markets are generally considered safer – we can clearly argue the safety of these bonds in the context of unsustainably rising government debt. But the fact is, governments can raise taxes and, in some cases, print money to meet obligations. And that means that there is a good chance that investors receive their money back, unless you’re Greece and you’re part of the Euro area and you can’t act as freely.

In the case of corporate bonds, corporate issuers do not have these government tools. Their ability to repay debt depends on revenues, margins and access to financing.

Credit spread is the additional return investors demand for holding corporate bonds instead of government bonds, reflecting the perceived risk.

And it gives an idea on how investors feel.

• When spreads are tight, markets are confident in economic conditions and corporate health
• When spreads widen, investors are becoming cautious and pricing in higher default risk

Credit spreads are one of the clearest indicators of market sentiment. They tend to move sharply during periods of stress, making them a key signal for investors assessing risk appetite.

At its core, the credit spread is a direct reflection of credit risk, which is the risk that a company may fail to meet its debt obligations. This risk is influenced by several factors, including a company’s profitability, debt levels, cash flow stability and access to financing.

It is also closely tied to the broader economic environment.

• In strong economic conditions, companies generate stable revenues and refinancing remains accessible, keeping default risk low and spreads compressed.
• In contrast, during economic downturns, declining earnings and tighter financial conditions increase the probability of default, leading investors to demand higher compensation.

This is why credit spreads do not just reflect individual company risk, but also act as a real-time barometer of both corporate health and macroeconomic uncertainty.

At first glance, equities often appear more attractive to investors. They offer

• growth potential,
• capital appreciation and
• direct exposure to a company’s success.

When a business expands, increases its profits or gains market share, shareholders benefit through rising stock prices and, in some cases, dividends. This ability to participate in upside is what makes equities so appealing, particularly in strong economic environments.

However, this upside comes with full exposure to downside risk. When you invest in a stock, you become a partial owner of the company. That means your returns are directly tied to its performance, both positive and negative. If the company thrives, you benefit. But if it struggles, misses expectations or faces financial difficulties, the value of your investment can decline significantly.

More importantly, in a worst-case scenario such as bankruptcy, shareholders are last in line. After all creditors have been paid, there may be little or nothing left for equity investors.

Bondholders, by contrast, occupy a very different position. They do not own the company, but instead hold a contractual claim on its cash flows. This places them higher in the capital structure. If a company defaults, bondholders are prioritised in the repayment process, while equity holders may receive little or nothing.

This hierarchy is a crucial distinction and fundamentally shapes the risk profile of each asset class.

This leads to a clear trade-off between the two: stocks offer virtually unlimited upside, but come with higher volatility and greater exposure to losses. Corporate bonds, on the other hand, provide more predictable returns and a degree of protection, but with limited upside due to their fixed income nature.

For investors, the choice is not necessarily one or the other, but rather how to balance both. Those seeking growth may lean towards equities, while those prioritising income and relative stability may find corporate bonds more appealing, and allocate a higher percentage of their total portfolio to the latter.

Yes. Corporate bonds are actively traded on the secondary market and they are often quoted in terms of their yield than their price.

Either way, investors can buy or sell bonds before maturity, just like equities, at the market price. 

But note that, bonds are usually traded 'over the counter' (OTC), which means that they are traded through a network of banks and brokers directly with one another, not on a public stock exchange. Pricing trends tend to be less transparent compared with stocks, but their prices fluctuate.

Corporate bond prices are impacted by two main factors:

1. Interest rates

• When interest rates rise, existing bonds with lower coupons become less attractive and heir prices fall to compensate,
• When rates decline, existing bonds become more valuable and prices rise.

2. Credit risk

• If a company’s financial outlook deteriorates, its bond price declines,
• If confidence improves, prices recover.

Despite being labelled “fixed income”, bond prices are not fixed.

The repayment at maturity is fixed, though, which naturally limits how high prices can rise, but market fluctuations create opportunities for gains or losses before maturity.

Corporate bonds and equities behave differently depending on the stage of the economic cycle, and this relationship is key to understanding their role in a portfolio.

Not all corporate bonds offer the same level of protection, and their behaviour across the cycle depends largely on their credit quality and the broader economic environment.

This is where bond quality becomes critical.

• Investment-grade bonds are more defensive
• High-yield bonds behave more like equities and carry higher risk

There are two main ways to invest in corporate bonds.

1. Buying individual bonds

Investors can select specific bonds based on:

• Company
• Currency
• Maturity
• Yield

If held to maturity, the principal is repaid, assuming no default.

However, buying corporate bonds often require

• High minimum investment sizes
• Limited price transparency
• Variable liquidity

2. Investing through funds or ETFs

Bond funds and ETFs provide:

• Diversification across issuers
• Exposure across maturities
• Daily liquidity
• Ease of trading

They allow investors to build a diversified bond allocation without the complexity of selecting individual securities. In this case,  bond funds and ETFs do receive coupons from the underlying bonds. Those coupons are typically distributed to investors as income (monthly or quarterly), not automatically reinvested.

Corporate bonds are a core component of many diversified portfolios, including the traditional 60/40 allocation, where 60 percent is invested in equities and 40 percent in bonds. Within that bond allocation, investors rarely rely on a single type of fixed income. Instead, they often combine sovereign bonds and corporate bonds to achieve a balance between stability and income.

• Sovereign bonds, issued by governments, typically serve as the defensive anchor of a portfolio. They are generally considered lower risk, particularly in developed markets, and tend to perform well during periods of economic stress or market turbulence.
• Corporate bonds, by contrast, are introduced to enhance yield. Because they carry higher risk than government debt, they offer higher returns, making them an attractive complement for investors seeking additional income.

This combination highlights the hybrid nature of corporate bonds. They sit somewhere between equities and sovereign bonds, blending characteristics of both. On one hand, they provide higher income than government bonds through their coupons and credit spreads. On the other hand, they tend to exhibit lower volatility than equities, offering a more stable return profile over time.

However, this middle-ground positioning should not be mistaken for safety. Corporate bonds are not risk-free, and their behaviour can vary significantly depending on credit quality and market conditions. Bonds issued by financially strong companies may act as a stabilising force in a portfolio, while those issued by weaker companies can behave much more like equities, especially during periods of market stress.

For investors, the key is to understand that corporate bonds are not a one-size-fits-all solution, but rather a flexible tool that can be adjusted depending on the desired balance between risk, income and resilience.

What is a corporate bond?

A corporate bond is a debt security issued by a company to raise capital. Investors lend money to the issuer in exchange for regular interest payments (coupons) and repayment of the principal at maturity, provided the company does not default.

Are corporate bonds safer than stocks?

Generally, yes. Bondholders rank ahead of shareholders if a company enters bankruptcy, giving them a higher chance of recovering part of their investment. However, corporate bonds still carry credit risk and can lose value if the issuer's financial condition deteriorates.

What is the difference between investment-grade and high-yield bonds?

Investment-grade bonds are issued by companies with stronger credit ratings and lower default risk. High-yield bonds—sometimes called junk bonds—offer higher yields because investors demand additional compensation for taking on greater credit risk.

Why do corporate bond prices fall when interest rates rise?

When new bonds are issued with higher yields, existing bonds paying lower coupons become less attractive. Their market prices fall until their effective yield becomes competitive with newly issued bonds.

Can I lose money investing in corporate bonds?

Yes. Although bonds are generally less volatile than equities, investors can lose money if interest rates rise, the issuer defaults, or the bond is sold before maturity at a lower market price.

Should beginners buy individual corporate bonds or bond ETFs?

For many beginners, bond ETFs can be a simpler option because they provide instant diversification, daily liquidity and professional portfolio management. Individual bonds may suit investors seeking predictable cash flows and a known maturity date.

How much of a portfolio should be invested in corporate bonds?

There is no universal allocation. The appropriate weighting depends on an investor's objectives, time horizon and risk tolerance. Many diversified portfolios combine government bonds, corporate bonds and equities to balance growth, income and stability.

When are corporate bonds most attractive?

Corporate bonds often become more attractive when yields are elevated, inflation is moderating, interest rates are expected to decline or equity valuations appear expensive. The best opportunities depend on both interest-rate expectations and corporate credit conditions.

The content in this article is provided for educational and marketing purposes only. It does not constitute investment advice or financial recommendations.