BubbleTax
  • Pricing
  • Blog
Sign InFree Preview
BubbleTax
Knowledge

Tax Knowledge

Everything you need to know about the taxation of your IBKR trades

FIFO Calculation

The First-In-First-Out method is the legally required method for calculating capital gains.

Understand FIFO

Foreign Currency Gains

How currency gains arise and how they are calculated under German tax law.

Understand FX Gains

Withholding Tax

How foreign withholding tax is credited against German tax and what you need to know.

Understand Withholding Tax

ETF Partial Exemption

Why ETFs are taxed differently and how partial exemption under InvStG works.

Understand ETF Taxation
Understand IBKR Taxes
BubbleTax

All results must be carefully reviewed. You should consult a tax advisor, as our calculations are not a substitute for professional tax advice.

Product

How BubbleTax WorksIBKR Taxes GermanyBrokersPricing

Tax Knowledge

OverviewFIFO CalculationForeign Currency GainsWithholding TaxETF Partial Exemption

Company

About UsBlogPartnersContactNewsletter
Live Event
Anlegertag München 2026

BubbleTax live on stage:

Anlegertag München 2026

Trading meets German tax logic – ETF classification, options, FX-FIFO. With WH SelfInvest, Room 4.

Read blog postJoin live stream

March 28, 2026 · Motorworld Munich

© 2026 BubbleTax•Privacy Policy•Terms of Service•Imprint