Series: Learning Finance Basics

Phase 4: Thinking Like a Finance Pro — Part 13 of 16

Understanding Investment Risk: Why It Matters and How to Think About It

Imagine you’re deciding between keeping your money in a piggy bank or giving it a chance to grow by investing it. That little uncertainty you feel—the “what if something goes wrong?”—is what we call investment risk. We all face risks in daily life, from crossing the street to trying a new recipe. Investing is no different, and understanding risk is a key step toward making better financial choices.

What You’ll Learn

• What investment risk means and why it’s important
• Different types of investment risk
• Simple examples showing risk in action
• Common mistakes people make about risk
• Practical steps to start thinking about risk more like a finance pro

What Is Investment Risk?

At its core, investment risk is the chance that the money you invest won’t turn out as you hoped. Sometimes your investment might grow, sometimes it might shrink—sometimes it does both over time. Risk is about the possibility of losing money, but it’s also about missing out on potential gains.

Types of Investment Risk

• Market risk: The value of investments can go up or down because of changes in the overall market.
• Inflation risk: The risk that the money you earn won’t keep up with the rising cost of living.
• Liquidity risk: The risk that you can’t easily sell your investment for cash when you need it.
• Specific risk: The risk tied to a particular company or investment (for example, if a company’s products stop selling).

Worked Examples: Simple Numbers

Example 1: Saving vs. Investing

Let’s say you have £500. You can either:

• Keep it in a savings account with a guaranteed 1% interest per year
• Invest it in a fund that, on average, grows 5% per year—but sometimes loses money

After one year:

• Savings account: £500 × 1% = £5. Your account is now £505, with no risk of loss.
• Investment fund: If the fund has a good year (+5%): £500 × 5% = £25, for a total of £525. But if it has a bad year (-5%), you could have £475 instead. Here, you can gain more—but you might also lose money.

Example 2: Company Shares

Suppose you buy £100 worth of a single company’s shares. Over the next year:

• If the company does well, your shares might be worth £120 (+20%)
• If the company struggles, your shares might drop to £80 (-20%)

This is an example of specific risk: something that affects just that company.

Common Mistakes

• Chasing high returns without understanding risk: People sometimes focus only on potential gains, forgetting that higher returns usually come with higher risk.
• Expecting guaranteed profits: No investment is truly risk-free (even savings accounts can lose value in real terms due to inflation).
• Putting all your eggs in one basket: Investing all your money in one place increases your risk if that investment underperforms.
• Thinking short-term: Many investments go up and down in value. Reacting to every change can lead to poor decisions.

Action Steps

• ☐ Make a list of your current savings and any investments you have
• ☐ Ask yourself: “What risks am I already taking with my money?”
• ☐ Write down what would worry you most about investing (e.g., losing money, not being able to access funds)
• ☐ Review what you learned about the different types of risk
• ☐ Read the next post to learn about risk and reward over time

Recap

Investment risk is simply the chance that your money won’t grow as you hope—or you might even lose some of it. There are many types of risk, from the ups and downs of the market to the effects of inflation. Understanding risk is a first step to making smarter financial decisions. In our next post, we’ll look at how risk and reward work together over the long term.

Disclaimer

This article is for general educational purposes only and is not financial advice. Please do your own research or consult a professional before making financial decisions.

Glossary

• Investment: Putting money into something with the hope it will grow over time.
• Risk: The chance that things might not turn out as planned, including losing money.
• Inflation: The gradual rise in prices over time, making money worth less.
• Liquidity: How quickly and easily you can turn an asset into cash.
• Return: The money you earn (or lose) from an investment.

Previous: How to Start Investing (Step by Step)

Next: Understanding Inflation: How Rising Prices Affect Your Money