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Diversification: not depending on one thing

What diversifying means, which risks it reduces, which it does not, and what rebalancing is.

Video lesson in preparation (AI-generated presenter). Full text below.

Lesson text

Diversifying means spreading money across different instruments so that the overall result does not depend on the fortunes of just one. If all your savings are in the shares of a single company, one piece of bad news about that company puts them at risk. If they are spread across many companies, sectors and countries, bad news affects only a small part.

You can diversify on several levels. Across issuers: many companies instead of one. Across sectors: not only banks or only technology. Across regions: not only your own country, where your job and home are often already concentrated. Across instrument types: shares, bonds and cash react differently to the same events. And over time: paying in at regular intervals avoids concentrating everything at a single moment.

Diversification reduces specific risk, the risk tied to a single issuer or sector. It does not remove general market risk: in a crisis many instruments fall together. And it has a practical limit: owning ten funds that hold the same securities is not diversifying, it is duplicating. What counts is what is inside, not the number of products.

Over time the parts of a set of investments grow at different rates and the initial mix drifts: whatever has grown most weighs more than before, and so does its risk. Periodically bringing the proportions back to those originally chosen is called rebalancing. It is a discipline technique, not a guarantee of results, and like any transaction it may have costs and tax consequences.

In three points

• Diversifying means not letting the result depend on one issuer, sector, country or moment.
• It reduces specific risk, not general market risk.
• Content counts, not the number of products; rebalancing keeps the chosen proportions over time.

Educational and informational content only. It is not personalised financial, investment or tax advice. All investments involve risks, including the possible loss of invested capital.

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