Before You Start
- Basic understanding of what ETFs are and how brokerage accounts work
- Active, verified accounts with Trade Republic and/or DEGIRO
- Valid European SEPA bank account for funding
- Access to official ETF documentation (KIID/KID and factsheets)
Time needed: 30–60 minutes (setup and first purchase)
What you'll need: Smartphone or computer, personal ID, access to email/phone for verification, minimum €10–€50 to invest
Investing in global ETFs like CSPX, VWCE, and IWDA is a smart way for Europeans to build a diversified, low-cost portfolio. This guide walks you through every step — from ETF selection to placing your first order on Trade Republic and DEGIRO. You’ll also learn how to verify ETF details, choose the right order type, and start with as little as €10.
For a deep comparison of these funds, see our article: VWCE vs. IWDA vs. CSPX: Deep Dive Fund-by-Fund in 2026.
Step 1: Decide Which ETF(s) Fit Your Goals and Risk Profile
What to do: Decide whether you want to invest in CSPX, VWCE, IWDA, or a mix. Consider your investment horizon, risk tolerance, and preferred regions.
- CSPX (iShares Core S&P 500 UCITS ETF, ISIN: IE00B5BMR087): Tracks the S&P 500 (US large caps). Accumulating, Ireland-domiciled, EUR-hedged version not available.
- VWCE (Vanguard FTSE All-World UCITS ETF, ISIN: IE00BK5BQT80): Tracks global developed + emerging markets. Accumulating, Ireland-domiciled.
- IWDA (iShares Core MSCI World UCITS ETF, ISIN: IE00B4L5Y983): Tracks developed markets only. Accumulating, Ireland-domiciled.
Why it matters: Your ETF choice affects your exposure to regions, sectors, and currencies. CSPX is US-focused, IWDA covers developed markets, and VWCE is the broadest (developed + emerging). Picking the right ETF(s) aligns your investments with your financial goals and risk appetite.
What can go wrong: Choosing an ETF that’s too narrow (e.g., only CSPX) may leave you under-diversified. Picking one that’s too broad for your risk tolerance (e.g., VWCE with volatile emerging markets) can cause unnecessary stress during downturns.
Pro Tip
If you want a simple, one-stop global portfolio, VWCE is often preferred by European investors. For more tailored portfolios, combine IWDA with an emerging markets ETF.
Step 2: Verify ETF Details — ISIN, KIID/KID, and Accumulating vs. Distributing
What to do: Always double-check the ETF’s ISIN and Key Investor Information Document (KIID/KID) before buying. This ensures you’re investing in the correct fund version (e.g., accumulating vs. distributing, EUR vs. USD listing).
- Find the ISIN for your chosen ETF (see above, or use the provider’s site: iShares for CSPX/IWDA, Vanguard for VWCE).
- Download the KIID/KID from the official provider website, in your language if possible.
- Check:
- ISIN matches what’s shown on your broker platform
- Replication method (physical or synthetic)
- Dividend policy (accumulating = reinvests dividends, distributing = pays out cash)
- Fund domicile (Ireland is tax-efficient for most Europeans)
Why it matters: Mistaking the ISIN can lead to buying a different (sometimes less tax-efficient or currency-hedged) ETF. KIID/KID is a legal document summarising risks, costs, and policies.
What can go wrong: Buying the wrong ETF share class, or a fund not eligible for your country’s tax regime. Always use the ISIN as your primary identifier — not just the ETF’s name or ticker.
Pro Tip
On Trade Republic and DEGIRO, search by ISIN — not ticker — to avoid confusion, especially since tickers can vary by exchange.
Step 3: Fund Your Account in EUR
What to do: Transfer EUR from your SEPA bank account to your Trade Republic or DEGIRO account.
- Trade Republic: Tap Profile → Deposit → Copy your IBAN → Initiate SEPA transfer from your bank app. Minimum deposit: €10.
- DEGIRO: Log in → Deposit/Withdraw Funds → Select SEPA transfer → Follow instructions. Minimum: No fixed minimum, but €50–€100 is practical for first buy.
Why it matters: You can’t buy ETFs until your account is funded. SEPA transfers are usually credited within 1 business day.
What can go wrong: Incorrect reference or wrong bank account can delay or block your deposit. Always use your unique account reference/IBAN.
Pro Tip
Start with a small deposit (e.g., €50) to test the process before transferring larger amounts.
Step 4: Search for the ETF by ISIN and Confirm Details
What to do: On your broker’s platform, use the search function to locate your chosen ETF by ISIN. Double-check that the ETF’s name, ISIN, domicile, and dividend policy match your research.
- Trade Republic: Tap Search (magnifying glass) → Enter ISIN (e.g., IE00BK5BQT80 for VWCE) → Select correct ETF from results.
- DEGIRO: Use top search bar → Paste ISIN → Click on ETF → Review fund details (exchange, currency, KID link).
Expected outcome: You should see the ETF’s summary page, including price, fund details, and an option to buy. If the ISIN, name, or details don’t match, stop and investigate before proceeding.
What can go wrong: Accidentally selecting a distributing or non-EUR-denominated share class. Never buy based on logo or ticker alone.
Step 5: Place Your Buy Order (Market vs. Limit Order)
What to do: Choose your order type and amount. For beginners, a market order is simplest, but a limit order gives you more control over the price.
- Market Order: Executes immediately at the best available price. Fast and simple, but price may move slightly between order and execution.
- Limit Order: You set the maximum price you’re willing to pay. Order only executes if the ETF hits your limit price.
How to place an order:
- Trade Republic: On ETF page, tap Buy → Enter amount in EUR (minimum €10) → Select Order Type (Market or Limit) → Confirm order.
- DEGIRO: On ETF page, click Buy → Enter number of shares or amount in EUR (minimum: cost of 1 share, e.g., VWCE ≈ €110/share) → Choose Order Type → Confirm.
Why it matters: Market orders are quick, but may fill at a slightly worse price during volatile markets. Limit orders protect you from overpaying, but can fail to execute if the price doesn’t reach your limit.
What can go wrong: Setting an unrealistically low limit price means your order may never execute. With market orders, rapid price swings can lead to minor overpayment, but for large ETFs like CSPX, VWCE, IWDA, liquidity is usually excellent.
Pro Tip
For large, liquid ETFs traded during regular stock exchange hours, market orders are usually safe for small amounts (under €1,000). For larger purchases, consider limit orders just above the last price.
Step 6: Review and Track Your Investment
What to do: After purchase, check your portfolio to confirm the ETF holding appears with the correct number of shares and value in EUR.
- Trade Republic: Tap Portfolio → Your ETF should appear with live value and % change.
- DEGIRO: Click Portfolio → ETF listed under “Shares” with quantity and current value.
Expected outcome: You should now see your first ETF purchase confirmed, e.g., “VWCE — 1 share — €111.50.” The value will update with market prices.
What can go wrong: If the ETF doesn’t appear, check if the order is still pending or failed. Contact broker support for unresolved issues.
Step 7: Set Up a Savings Plan (Optional, but Recommended)
What to do: Automate your investing by setting up a recurring savings plan (monthly buy).
- Trade Republic: Tap Portfolio → Savings Plans → + Add Savings Plan → Select ETF (by ISIN) → Enter amount (min. €10) → Choose frequency and start date → Confirm.
- DEGIRO: DEGIRO does not offer automated savings plans, but you can set a recurring calendar reminder to invest manually each month.
Why it matters: Savings plans help you invest consistently, benefit from euro-cost averaging, and avoid emotional timing mistakes.
What can go wrong: Not having enough funds in your account can cause plan failures. Always ensure your account is pre-funded before the scheduled buy date.
Pro Tip
Small, regular investments (e.g., €50/month) are better for most investors than trying to “time the market” with occasional large purchases.
Step 8: Basics of Portfolio Rebalancing
What to do: Review your ETF portfolio at least once per year. If you hold multiple ETFs (e.g., CSPX + VWCE), check if their proportions still match your target allocation (e.g., 60% VWCE, 40% CSPX).
- Calculate current % allocation by value.
- If one ETF has grown far more than the other, consider buying more of the underweight ETF, or selling some of the overweight ETF, to restore balance.
Why it matters: Rebalancing keeps your risk and diversification in line with your original plan. Without it, your portfolio may drift into a riskier or less diversified mix.
What can go wrong: Rebalancing too often can lead to unnecessary trading costs and taxes. For most people, annual review is enough.
Pro Tip
Use new contributions to rebalance, rather than selling, to minimise taxes and fees.
Common Mistakes
- Buying the wrong ETF share class (e.g., distributing instead of accumulating)
- Entering the ticker instead of the ISIN and ending up with a different fund
- Investing all at once instead of spreading out purchases (reduces risk of market timing)
- Not reading the KIID/KID or misunderstanding costs and risks
- Ignoring portfolio drift and never rebalancing
- Forgetting to pre-fund your account before savings plan execution
Next Steps
- Study the KIID/KID and factsheet of each ETF you consider
- Explore our guide: Best Low-Cost European ETFs for 2026: Top Picks for Every Portfolio Size
- Consider gradually increasing your investment amount as you become more comfortable
- Review your portfolio once a year and adjust as your goals or risk tolerance change
Disclaimer: This article is for educational purposes only and does not constitute financial advice. Always do your own research and consider consulting a qualified financial advisor before making investment decisions.