Knowledge Base — Chapter 6

Choosing a Broker, Opening an Account and First Purchase

The difference between knowing what you want to invest and actually doing it comes down to three practical steps: choosing the right broker, opening an account, and buying your first ETF. Less complicated than it seems — but the details matter.

6.1 Choosing the Right Broker

A broker is the platform through which you buy and sell ETFs. For European retail investors there are dozens of options, but they differ significantly on a few crucial points.

The costs of a broker — beyond transaction fees: transaction costs are visible, but there are more costs to watch out for.

Cost type Explanation Watch out for
Transaction costsPer buy or sellFixed amount vs. percentage — for small amounts this counts heavily
Custody feesAnnual fee for holding your investmentsSome brokers charge % of assets — becomes dominant with large portfolios
Inactivity feesCosts for extended periods of not tradingE.g. eToro: $10/mo after 12 months of inactivity
FX marginMarkup when converting currenciesCan be 0.1–1.5% — often hidden in the spread
Dividend processingFee on dividend paymentsUsually low or free with major brokers

For a long-term investor with monthly contributions low transaction costs matter most. For a buy-and-hold investor with a large portfolio custody fees and FX margins can exceed transaction costs.

6.2 Opening an Account

Opening a broker account is nowadays entirely digital and typically takes 10–30 minutes. There are, however, a few steps and things to watch out for.

Step-by-step guide — Opening a broker account

The investor profile — why it matters

Every regulated broker is required under MiFID III to draw up an investor profile for you. This is not a formality — it determines which products you can buy and which warnings you receive. They ask about your experience, risk tolerance and financial situation.

  • Be honest: if you indicate you're an expert when you're just starting out, you may miss potentially useful warnings.
  • If you're assessed as too conservative, you may not be able to buy certain ETFs.
  • The profile can be updated afterwards.

6.3 First Purchase

Actually placing an order is the point where many beginners become unsure. There are a few different order types and the choice matters.

Explanation — Order types: market order, limit order & stop-loss

For a liquid MSCI World ETF a market order is fine. For certainty about price: use a limit order slightly above the current ask price.

Checklist — First purchase review

Common mistakes with the first purchase

Searching by name instead of ISIN

There are dozens of MSCI World ETFs from different providers. Without an ISIN number you may buy the wrong one — with a higher TER, wrong replication method or unfavourable tax treatment.

Buying outside trading hours

Some brokers let you place orders outside trading sessions. These are then executed at the opening — with wider spreads than during the day.

Starting too small out of fear

Your first purchase doesn't need to be perfect. €200 in an MSCI World ETF is a better starting point than waiting months for the ideal moment. The right moment doesn't exist.

Immediately investing all your savings

For large amounts it's sensible to spread your entry over 3–6 months (dollar-cost averaging) to spread the entry timing risk.