Forex Trading Tax in Netherlands 2026 — Complete Guide

Forex Tax Treatment in Netherlands

The Netherlands uses a unique wealth tax system (Box 3). Rather than taxing actual trading profits, the Dutch tax authority assumes a fictional return on assets and taxes this at 36% (2025). The assumed return rate depends on the composition of savings, investments, and debts. Active traders may fall under Box 1 (progressive income tax up to 49.5%) if trading is deemed a business activity.

For most retail traders, FX/CFD positions are private assets in Box 3 and the actual gain/loss is irrelevant — only the value at reference date matters. Active 'business' trading falls under Box 1.

Tax Rates Table — Netherlands EUR

Applicable rates as of April 2026.

What Counts as Taxable?

Most Netherlands residents need to declare the following types of trading income:

• Realised forex/CFD capital gains. Profits from closing positions during the tax year.
• Dividend-equivalent payments. Cash adjustments paid by your broker on long share-CFD positions when the underlying issues a dividend.
• Carry / swap interest received. Positive overnight financing credited to long carry-trade positions is normally taxable as financial income.
• Cashback, rebates and bonuses. Cash incentives paid by the broker may be reportable as miscellaneous or financial income.
• Crypto CFD profits. Profits from cryptocurrency CFDs are taxed under the same rules as other CFDs (this is different from spot crypto, which usually has its own treatment).
• Foreign exchange differences. Gains or losses from holding foreign-currency balances may need to be reported separately when converted back to your home currency.

Professional vs Retail Trader — Tax Implications

If trading frequency, leverage, or income share crosses the Belastingdienst's 'normaal vermogensbeheer' threshold, profits are reclassified into Box 1 at progressive rates up to 49.5%.

How to Declare Forex Income in Netherlands

1. 1

   Download your annual statement from each broker (and convert all amounts to EUR using year-end FX rates if your account is in another currency).

2. 2

   Calculate net realised profit or loss for the tax year — buy/sell pairs only (unrealised positions are usually excluded, except for mark-to-market regimes).

3. 3

   Add carry/swap interest, dividend-equivalent payments, and any cashback or rebates.

4. 4

   Open Aangifte inkomstenbelasting (online via Mijn Belastingdienst) on the Belastingdienst portal.

5. 5

   Enter the totals in the capital-gains / investment-income section and indicate the source country of each broker.

6. 6

   Pay any balance owed by the deadline (1 May of the following year (extension to 1 September on request)) and keep the receipt and broker statements with your records.

Loss Offset Rules

Record Keeping Requirements

Record account values on the reference date (1 January each year). Keep all year-end statements and transaction histories for at least 7 years.

• Annual broker statements (PDF and machine-readable formats)
• Trade-by-trade ledger with timestamps, instrument, and P&L
• Year-end account valuation (mandatory for wealth-tax regimes)
• Proof of any foreign tax already paid, to claim against home liability under double-tax treaties
• FX-conversion rates used to translate amounts into EUR

Tax Reporting Deadlines

Recommended Accountants & Software

The Belastingdienst online portal pre-fills most data. Active traders should consult a belastingadviseur to confirm whether Box 3 or Box 1 treatment applies.

We do not endorse any single product. For active traders we generally recommend a local advisor who has direct experience with CFD/derivative reporting and any cross-border passporting that applies to your broker.

Frequently Asked Questions

Popular brokers used by Netherlands traders