Before You Start
- Understand your country’s capital gains tax rules for investment accounts.
- Hold a taxable brokerage account (not a pension or ISA-type wrapper).
- Have access to your ETF purchase records (dates, amounts, tickers).
- Be prepared to track replacement purchases to avoid wash-sale rules.
- Check if your broker offers automatic tax reporting or downloadable tax documents for your country.
Time needed: 60–90 minutes for your first harvest, less for future years
What you'll need: European brokerage account (e.g., Trade Republic, DEGIRO, Interactive Brokers), spreadsheet or tax software, access to your country’s tax forms
Tax-loss harvesting is a powerful way for European investors to reduce capital gains taxes by selling investments at a loss, then reinvesting in similar assets. While tax-loss harvesting is well-known among US investors, the process is less standardized in Europe due to country-specific tax rules and the nuances of ETF trading. This guide will walk you through the step-by-step process of tax loss harvesting in Europe, with practical EUR examples, platform instructions, and the latest 2026 regulatory updates.
As we covered in our complete guide to building an EU tax-efficient portfolio, managing capital gains is a core part of long-term wealth growth. Tax-loss harvesting deserves a deeper look, especially as 2026 brings new reporting standards and stricter anti-abuse rules across the EU.
Step 1: Identify Eligible Losses in Your ETF Portfolio
What to do: Review your taxable brokerage account for ETF positions currently trading below their purchase price. Focus on funds you are willing to sell and potentially repurchase or replace.
- Log in to your broker (e.g., Trade Republic, DEGIRO, Interactive Brokers).
- Export your portfolio performance or transaction history for the year.
- Filter for ETFs with a current value lower than your average purchase cost (“cost basis”).
Why it matters: Only realized losses (from a completed sale) are considered for tax-loss harvesting. Unrealized losses do not reduce your tax bill.
What can go wrong: Selling at a loss for tax purposes only makes sense if you have realized gains to offset (either this year or, in some countries, future years).
Pro Tip
Use Interactive Brokers' PortfolioAnalyst to generate a report showing unrealized and realized gains/losses by ETF. This saves hours of spreadsheet work.
EUR Example: Suppose you bought 50 units of iShares Core MSCI World UCITS ETF (EUNL.DE) at €110 per unit (€5,500 total). The current price is €98. You have an unrealized loss of (€98 - €110) × 50 = –€600.
Step 2: Sell the ETF to Realize the Loss
What to do: Place a sell order for the ETF position you identified in Step 1.
- In Trade Republic: Tap Portfolio → [ETF Ticker] → Sell, enter the quantity, and confirm.
- In DEGIRO: Go to Portfolio → Select ETF → Sell, specify the amount, and execute.
- In Interactive Brokers: Use Trader Workstation → Portfolio → Right-click ETF → Close Position.
Why it matters: The loss is only “realized” for tax purposes once the sale is completed. The sale date will be used for your tax reporting.
What can go wrong: If you accidentally sell in a tax-advantaged account (e.g., PEA in France, or a SIPP in the UK), you won’t get a tax benefit. Also, check for any transaction fees.
Expected outcome: You should now see your ETF position sold, with proceeds credited to your account. The realized loss will be visible in your broker’s “activity” or “tax documents” section.
Step 3: Reinvest to Maintain Your Market Exposure (Without Violating the Wash Sale Rule)
What to do: Decide whether to buy back the same ETF, a similar (but not “substantially identical”) ETF, or wait a set period before reinvesting.
- Buy a different ETF tracking the same index but from a different provider (e.g., switch from iShares MSCI World to Xtrackers MSCI World UCITS ETF).
- Alternatively, wait the required period before rebuying the same ETF (see country rules below).
Why it matters: “Wash sale” rules prevent you from claiming a tax loss if you repurchase the same or a substantially identical security within a specified period. In the EU, these rules vary:
- Germany: 30-day rule applies (loss disallowed if you repurchase within 30 days).
- France: 30-day rule, but stricter enforcement since 2026.
- Netherlands, Belgium, Italy: No explicit wash sale rule, but tax authorities may challenge repetitive loss claims.
- Spain: 2-month rule for listed securities.
What can go wrong: Buying back the same ETF too soon can invalidate your tax loss. Also, switching to a very similar ETF may attract scrutiny. Check your country’s tax authority guidance for the latest definitions.
Pro Tip
To avoid the wash sale rule, pair ETFs from different providers (e.g., iShares vs. Amundi) or use a swap-based ETF as a temporary substitute. Always document your rationale for choosing a replacement.
EUR Example: You sell EUNL.DE (iShares MSCI World) at a €600 loss and immediately buy XDWD.DE (Xtrackers MSCI World UCITS ETF) with the proceeds. Exposure remains similar, and you do not violate the wash sale rule in Germany or France.
Step 4: Document and Report the Loss for Your Country
What to do: Download your broker’s trade and tax reports. Enter realized losses and gains into your country’s tax return, following the correct forms and deadlines.
- In Trade Republic: Go to Profile → Documents → Tax Documents to download your annual report.
- In DEGIRO: Use Reports → Annual Statement.
- In Interactive Brokers: Use Reports → Tax → Realized & Unrealized Performance Summary.
Why it matters: Proper documentation is essential for defending your claim in case of a tax audit. Each country has its own reporting requirements:
- Germany: Losses are reported in the Anlage KAP form. Brokers like Trade Republic and Scalable Capital withhold taxes automatically, but you must still declare.
- France: Use Formulaire 2074 for capital gains/losses. Brokers do not withhold tax; you must report manually. See our France’s Wealth Tax 2026 guide for related reporting.
- Netherlands: No capital gains tax for most retail investors; losses are not deductible.
- Italy: Declare in the Quadro RT section of your tax return. Losses offset future gains for up to four years.
- Spain: Use Form 100. Losses can offset gains for up to four years.
What can go wrong: Missing documentation, incorrect cost basis, or failing to report in the correct year can lead to audits or penalties.
Pro Tip
Use a dedicated tax software or spreadsheet to track “loss carryforwards” – losses you can use to offset gains in future years. This is especially valuable in countries like Germany, Italy, and Spain.
Expected outcome: Your tax return should reflect your realized ETF losses, reducing your taxable gains for 2026 (or carrying losses forward, if allowed).
Step 5: Plan Future Harvesting and Portfolio Adjustments
What to do: Set a calendar reminder to review your portfolio for tax-loss harvesting opportunities each autumn (before year-end), or after major market corrections.
- Review ETF performance quarterly using your broker’s reporting tools.
- Consider integrating tax-loss harvesting into your annual rebalancing process. See our guide on portfolio rebalancing for European ETFs.
Why it matters: Regular harvesting can smooth your tax bill over time and help you maintain your target asset allocation.
What can go wrong: Over-harvesting (selling too often) can disrupt your investment strategy and generate unnecessary transaction costs.
Pro Tip
Automate your ETF performance tracking with Interactive Brokers’ PortfolioAnalyst or a free tool like Portfolio Performance. This will flag potential losses for harvesting.
2026 Changes: What’s New for Tax Loss Harvesting in Europe?
- Stricter Wash Sale Enforcement: France and Germany have clarified that buying “virtually identical” ETFs (same index, same currency, similar replication method) may violate the wash sale rule. Use different providers or indices.
- Digital Reporting Standards: Many EU brokers now provide country-specific tax reports, making documentation easier but also increasing audit risk if you misreport.
- Loss Carryforward Limits: Italy and Spain have harmonized with EU rules: losses can now be carried forward for four years, not indefinitely.
For a full overview of the new rules, see our EU tax-efficient portfolio guide.
Common Mistakes
- Violating the wash sale rule: Buying back the same ETF too soon invalidates the loss. Always check the latest rule for your country.
- Harvesting in a tax-sheltered account: No tax benefit if losses are realized within an ISA, PEA, or pension wrapper.
- Failing to document trades: Tax authorities may require trade confirmations and cost basis records for several years.
- Ignoring transaction fees: Frequent harvesting can erode returns if you pay high commissions.
- Not offsetting losses against gains: In some EU countries, losses only offset the same type of gain (e.g., capital vs. interest); unused losses may be wasted.
Next Steps
- Check your country’s latest tax authority guidance on ETF losses and wash sale rules for 2026.
- Review your broker’s tax reporting features—see our PortfolioAnalyst guide for automation tips.
- Integrate tax-loss harvesting with your broader portfolio strategy—see our main EU tax-efficient portfolio article.
- Explore tax-efficient EUR dividend ETFs to minimize future taxable gains.
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.