Flatex Tax Statement 2026
Where do I find the annual tax statement at Flatex? What goes into Anlage KAP (Germany)? And why is Flatex one of the few brokers that is tax-simple in both Germany AND Austria — apart from two exceptions? Step by step for the 2025 tax return (filing in 2026).
What is the Flatex tax statement?
Flatex belongs to flatexDEGIRO Bank AG — a fully licensed German bank with its own Austrian branch (flatex.at). This makes Flatex a domestic custodian in both countries and it deducts tax automatically in each jurisdiction. The annual tax statement contains:
- Realised capital gains and losses from shares, ETFs, bonds, certificates and warrants
- Dividends and distributions (gross + withheld foreign withholding tax)
- Vorabpauschale (notional distribution) on accumulating ETFs (clients in Germany)
- Abgeltungsteuer (withholding tax) already remitted (DE) or KESt (AT)
- Balance of loss-offset pools (equities pool / other income pool) — important for the loss certificate
- Creditable foreign withholding tax
How to find the tax statement at Flatex
Flatex tax documents are most complete in the WebFiliale in a browser; the app offers the same document section.
Open the Documents section or the electronic Postbox. Filter by the Taxes / Erträgnisaufstellung (income summary) category.
German clients download the Jahressteuerbescheinigung (plus the Verlustbescheinigung (loss certificate) in case of losses — application required by 15 December). Austrian clients find the standardised tax report in accordance with the SteuerreportingVO.
In Germany you transfer the figures to Anlage KAP. In Austria the KESt has already been remitted; you only need to act for CFDs or if you hold accounts at multiple banks. Keep the PDF for 10 years.
🇩🇪 Germany: Anlage KAP & loss offsetting
As a German bank, Flatex remits Abgeltungsteuer (25 % + 5.5 % solidarity surcharge + church tax where applicable) automatically and maintains the two loss-offset pools (equities pool and other income pool). You only need Anlage KAP if:
- You have applied for a Verlustbescheinigung (loss certificate) to offset Flatex losses against gains at another broker (application required by 15 December of the tax year)
- You want to allocate the Sparerpauschbetrag (saver’s lump-sum allowance) across multiple banks
- Your Günstigerprüfung (favourable-rate check) yields a tax rate below 25 %
- You are claiming foreign withholding tax beyond the 15 % already credited
Key lines of Anlage KAP 2025
| Line | Content | In Flatex statement |
|---|---|---|
| 7 | Total capital income | “Höhe der Kapitalerträge” |
| 8 | Share gains | “Gewinne aus Aktienveräußerungen” |
| 10 | Share losses | “Verluste aus Aktienveräußerungen” |
| 12 | Unrecouped losses (loss certificate) | Verlustbescheinigung |
| 37 | Creditable foreign withholding tax | “Anrechenbare ausländische Quellensteuer” |
| 48 | Capital gains tax already remitted | “Kapitalertragsteuer” |
Anlage KAP-INV is only relevant for accumulating foreign ETFs where the Vorabpauschale has not been processed automatically — which is the exception at Flatex.
🇦🇹 Austria: tax-simple with automatic loss offsetting
Flatex is tax-simple in Austria: 27.5 % KESt is remitted automatically, loss offsetting runs continuously within the depot, and creditable foreign withholding tax is netted off (e.g. where 15 % is creditable, Flatex retains only 12.5 % KESt). You normally do not need to file via FinanzOnline — except in these cases:
- CFD trading is NOT tax-simple — CFD gains must be declared yourself via FinanzOnline (income from derivatives, 27.5 %)
- Cross-depot loss offsetting across multiple banks — only via assessment
- Regelbesteuerungsoption (standard assessment option) if your marginal rate is below 27.5 %
If your depot holds a Nichtmeldefonds (non-reporting fund) — one that has not reported deemed distributions to the OeKB — the tax office applies a flat-rate assessment. Flatex has in the past made retroactive tax bookings for such funds. Even for regular fund distributions subsequent tax corrections can occur once the final OeKB data is available. Check your tax report for correction entries before investing and prefer reporting funds.
Tax report comparison: Flatex vs. competitors
| Broker | DE annual tax statement | AT tax-simple (auto KESt) | Crypto tax report |
|---|---|---|---|
| Flatex | ✓ | ✓ (CFD exception applies) | — no crypto |
| Trade Republic | ✓ | ✓ (since 04/2025) | ✓ integrated |
| Scalable Capital | ✓ | ✓ (since 2024) | — ETPs only |
| Interactive Brokers | ⚠️ activity statement only | ❌ | ~ via tools only |
| Bitpanda | ⚠️ self-declare | ✓ (since 2024) | ✓ core product |
FAQ — Flatex taxes 2026
Is Flatex a tax-simple broker?
In Germany, Flatex remits Abgeltungsteuer automatically; in Austria, Flatex is tax-simple (automatic KESt + loss offsetting within the depot). Exception: CFD trading — that is not tax-simple in AT and must be declared yourself.
How do I apply for the Verlustbescheinigung (loss certificate) at Flatex?
Only on request and only by 15 December of the tax year. Submit the request in the WebFiliale if you want to offset Flatex losses against gains at another bank. Without a request, Flatex carries the losses forward to the following year.
How is foreign withholding tax treated in Austria?
Creditable withholding tax (as per double taxation treaty, usually max. 15 %) is netted directly against the 27.5 % KESt by Flatex: with 15 % creditable withholding tax, Flatex retains only 12.5 % KESt. Higher foreign withholding tax is reclaimed via assessment.
What are the retroactive tax bookings at Flatex?
For non-reporting funds and some fund distributions, Flatex corrects the tax once the final OeKB reporting data is available — this can result in additional charges. Check your tax report for such correction entries.
Does this also apply to the old DEGIRO depot?
DEGIRO is a separate broker within the same group, but not a German/Austrian domestic broker — self-declaration applies there just as with foreign brokers. This guide relates to Flatex depots.
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