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The Basics of Bonds

With over $120 trillion outstanding globally, the bond market dwarfs most other asset classes. Yet it remains one of the least understood by individual investors. This guide explains how bonds work, what the different types offer, how to read yield metrics — and how modern private credit extends bond-style income beyond public markets.

In This Article

What is a bond?

A bond is a loan agreement between a borrower — typically a government, municipality, or corporation — and an investor. In exchange for lending capital, the investor receives regular interest payments over a set period, then gets the original principal back on a specific end date called the maturity date.

Bonds are the foundation of what is known as the fixed-income asset class. They sit alongside equities, real estate, and alternatives in a well-constructed portfolio. If you are exploring how bonds fit alongside other asset classes, our overview of 12 different types of investments provides useful context.

Key components: face value, coupon, maturity

Every bond has three defining characteristics:

Face value
The amount the issuer agrees to repay at maturity — typically $1,000 per bond. Also called par value.
Coupon rate
The annual interest rate paid on the face value. A 5% coupon on a $1,000 bond pays $50 per year, usually in two semi-annual instalments.
Maturity date
When the issuer repays the principal. Short-term: up to 2 years. Medium-term: 5–10 years. Long-term: 20–30 years or more.
Duration
A measure of a bond's sensitivity to interest rate changes. Longer-duration bonds carry more price risk — but typically offer higher yields in compensation.

Longer maturities come with higher uncertainty and therefore offer higher yields. A 30-year government bond pays more than a 2-year note precisely because investors demand compensation for locking their capital up for longer.

How interest rates move bond prices

Bond prices and interest rates move in opposite directions — this inverse relationship is one of the most important concepts in fixed income.

When rates rise, existing bonds with lower coupons become less attractive, and their prices fall. When rates fall, older bonds with higher coupons become more valuable, and their prices rise.

This dynamic matters even if you plan to hold a bond to maturity — because it affects the market value of your holding at any point before the end date. It also influences portfolio strategy: aligning your allocation with economic cycles is one practical way to manage this interest-rate exposure over time.

Bonds can be held to maturity — locking in predictable payments — or sold on secondary markets before that date, giving investors flexibility and liquidity.

Types of bonds

Bonds come in several forms, each defined by who issues them and what terms they carry.

Sovereign
Government bonds
Issued by national governments. Backed by the state's ability to tax or issue currency. Generally considered the lowest-risk option in stable economies.
Local authority
Municipal bonds
Fund public infrastructure — roads, schools, utilities. Often carry tax advantages for investors in certain jurisdictions.
Company-issued
Corporate bonds
Issued by companies to raise capital. Higher risk than government debt, so they pay higher interest. Investment-grade issuers are financially strong; high-yield ("junk") issuers carry greater default risk.
No coupon
Zero-coupon bonds
Sold at a deep discount to face value. Pay no periodic interest — the return comes from the difference between purchase price and the full face value returned at maturity.

Bonds with special terms

Some bonds carry additional features. Inflation-linked bonds adjust their principal or coupon to preserve purchasing power as prices rise. Convertible bonds can be exchanged for shares in the issuing company, offering a blend of debt and equity exposure.

Understanding bond yields

Yield is not simply the coupon rate. There are three measures that together give you a complete picture of what a bond actually pays.

Metric What it measures Limitation
Coupon yield Annual interest as a percentage of face value Ignores the actual purchase price you paid
Current yield Annual interest divided by the bond's current market price Does not account for what happens at maturity

YTM is the closest approximation to a bond's true long-term return and the metric most professional investors rely on. Yields also function as market signals: rising yields often indicate expectations of higher inflation or interest rates, while falling yields tend to reflect increased demand for safe assets or slower economic growth.

Risks to be aware of

Bonds are conservative instruments, but they are not risk-free. Understanding the main categories of risk helps you select bonds appropriate for your situation.

  • Credit Not every issuer succeeds in repaying principal and interest. Lower-rated bonds offer higher yields precisely because the chance of default is greater. Diversifying across issuers and credit qualities helps manage this risk — see our guide to diversifying investments for lower risk.
  • Inflation Rising prices erode the real value of fixed interest payments. A bond paying 3% loses purchasing power when inflation runs at 5%. Inflation-linked bonds are one solution.
  • Liquidity Some bonds — particularly corporate or emerging-market issues — can be difficult to sell quickly without accepting a price discount. Government bonds in major currencies tend to be far more liquid.
  • Reinvestment When a bond matures or pays a coupon, you may have to reinvest at lower prevailing rates — especially in a falling-rate environment.

Bonds can be one component of a crisis-proof investment strategy precisely because their risk profile differs from equities — but they work best when used alongside other asset classes.

How bonds fit into a portfolio

The primary function of bonds in a portfolio is stability. Their smaller price swings smooth out overall performance during market stress — which is why they remain a foundation of multi-asset portfolios even in a low-yield environment.

When equity markets struggle, high-quality bonds tend to hold their value or rise, helping offset losses elsewhere. They also generate predictable income: regular coupon payments can support living expenses without forcing you to sell other holdings at the wrong moment. For a broader view of income-generating options, our article on 5 investment solutions that generate monthly income covers bonds alongside other approaches.

The role bonds play depends heavily on time horizon and risk tolerance. Younger investors typically hold fewer bonds, favouring growth-oriented assets. As investors approach retirement or shorter-term goals, bond exposure generally increases — shifting the portfolio toward capital preservation and reliable income.

Within a bond allocation, maturity laddering (holding bonds across different end dates), mixing credit qualities, and combining nominal with inflation-linked bonds all provide additional layers of diversification.

Beyond public markets: private credit and crowdlending

Traditional bonds — government and corporate — form the backbone of most fixed-income allocations. But meaningful diversification increasingly comes from exposure to markets that public exchanges do not reach.

Private credit refers to loans made directly to businesses or projects outside the public bond market. Because these loans are not traded on exchanges, they offer less liquidity than listed bonds — but they compensate investors with higher yields and, in many cases, stronger collateral protections. This is a fast-growing segment of the fixed-income world, sitting alongside alternative investments that institutional investors have long used to enhance returns.

Crowdlending brings private credit to individual investors. Platforms lend capital directly to businesses in exchange for defined interest payments, often over shorter durations than traditional bonds. Investors receive scheduled returns with contractual clarity — and exposure to credit segments unavailable through a standard brokerage account.

Spotlight — Maclear AG

Swiss-regulated crowdlending with collateral protection

Maclear is a Swiss-based crowdlending platform focused on business loans that banks passed over or did not price competitively. Each project is graded on a proprietary AAA-to-D scale and assessed by Maclear's credit team before being offered to investors.

Two features distinguish Maclear's risk management from many crowdlending platforms. First, loans are backed by collateral — physical assets pledged by the borrower, with Maclear acting as collateral agent on behalf of investors. Second, a provision fund provides an additional buffer, absorbing losses before they affect investor returns.

Projects are funded in tranches, so investors can commit incrementally and observe a loan's progress before increasing exposure. Repayments are returned with interest on a defined schedule.

Up to 15%
Annual return
AAA–D
Credit grading scale
2-layer
Collateral + provision fund

To understand how Maclear's model sits within the broader lending landscape, see our detailed comparison of P2P personal vs. business lending, and the full P2P lending guide.

View current projects →

How to buy bonds

There are two main routes to bond exposure, each with distinct trade-offs.

Individual bonds

Purchasing bonds directly gives you clarity and control. If held to maturity, price fluctuations along the way matter less — the return is predetermined. This approach suits investors who value certainty and defined cash flows, particularly for goal-based planning such as funding education or covering a known future expense.

Bond funds and ETFs

A single bond fund can hold hundreds or thousands of bonds, spreading credit and issuer risk instantly. Some bond funds have returned over 18% in a single year during favourable rate environments. The trade-off: funds have no maturity date. Prices fluctuate continuously, and income levels change as older bonds mature and new ones are added at prevailing rates.

For investors considering digital investment options as part of a broader strategy, both bond funds and crowdlending platforms are accessible online with relatively low minimum entry points.

When bonds make the most sense

Bonds are most effective when stability and income matter more than aggressive growth. Their role becomes clearer at certain life stages — approaching retirement, planning around a specific time horizon, or managing a portfolio through uncertain market conditions. They are less about chasing returns and more about aligning capital with time, risk tolerance, and certainty of outcome.

Conclusion

Bonds remain one of the most important building blocks in global finance. They offer structure where equity markets can be unpredictable, provide income when cash yields fall short, and help align capital with clearly defined time horizons. Their effectiveness depends on interest-rate cycles, credit conditions, inflation expectations, and how deliberately they are selected and combined.

Modern portfolios increasingly complement traditional bonds with private credit and crowdlending — gaining access to higher yields and credit segments unavailable through exchanges, while maintaining contractual clarity and defined repayment schedules.

Maclear specialises in structuring these opportunities: carefully assessed business loans backed by collateral and a provision fund, offered to investors with full transparency on terms, grading, and repayment schedule. Up to 15% annual returns, shorter durations than traditional bonds, and the diversification benefits of an asset class that moves independently of public markets.

Ready to explore how private credit and bonds can work together in your portfolio? Browse Maclear's current investment projects — each with full grading, collateral details, and tranche structure.

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