Plain-English definitions.

Investing has its own vocabulary. We define the terms that trip people up so you can read anything else without a dictionary.

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What is an ETF? A simple guide for Belgian investors

The most-asked beginner question, answered properly. What ETFs are, how they work, and why they're the easiest entry into investing for Europeans.

12 min read· Updated January 2026· Beginner

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Index explainers

The headline indices, in plain English.

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