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In short: In Poland, almost all private investment income is taxed at a flat 19% — the Belka tax — covering capital gains on shares, ETFs and bonds, plus dividends, interest and crypto. There is no progressive scale here and no tax-free allowance: the PLN 30,000 personal allowance applies only to salary-type income. Capital gains are taxed on the net profit (proceeds minus costs and fees, matched FIFO), with no holding-period discount, and reported on form PIT-38 by 30 April of the following year. Dividends and interest are taxed on the gross amount. The big lever for ordinary savers is the wrappers: an IKE account makes gains fully tax-free if you hold to retirement age, while IKZE gives an upfront deduction and a reduced 10% tax on payout.

Capital Gains & Investment Tax in Poland (2026)

Kontoo editorial team · Updated 06/25/2026 · 8 min read

Poland keeps investment tax refreshingly simple: nearly everything you earn from investing is taxed at one flat rate of 19%, known as the Belka tax. There are no holding-period discounts and no tax-free allowance for gains. The detail that matters most is in the corners: foreign dividends, ETF structure, and the IKE/IKZE wrappers that can switch the tax off entirely. This is general education for the 2026 tax year, not personal tax advice.

Track every buy and sell in PLN, converting foreign-currency trades at the NBP rate from the day before each transaction.
Match acquisition costs with FIFO and subtract fees and commissions to find your net gain.
File PIT-38 by 30 April of the following year and pay the 19% yourself — foreign brokers do not withhold.
For foreign dividends, attach PIT/ZG and credit the foreign withholding tax already paid abroad.

What matters

The flat rate. Poland taxes nearly all private investment income at a single flat 19%, popularly called the Belka tax. It is completely separate from the progressive scale (12% / 32%) that applies to salaries and business income, and it does not vary with how much you earn. The same 19% covers capital gains on securities, dividends, interest and crypto, and as of 2026 the headline rate is unchanged. Capital gains. You are taxed on the net gain: sale proceeds minus deductible acquisition costs and transaction fees. There is no long-term or short-term distinction and no discount for holding a long time — the rate is 19% regardless. Costs are matched using FIFO (first-in, first-out). Trades in foreign currency must be converted to PLN at the average NBP rate from the day before each transaction, with each buy and each sell converted separately. You report annually on form PIT-38, and the deadline is 30 April of the following year (2026 income by 30 April 2027). The tax is self-assessed and paid by the same date; foreign brokers do not withhold. Losses. Securities capital losses (the PIT-38 share and instrument category) can be carried forward for five years, but only against gains in the same category — securities losses offset securities gains, not dividends, interest or crypto. In any single year you may deduct up to 50% of a given year's securities loss, or up to PLN 5,000,000, and losses cannot be carried back. Crypto follows a different regime: it is not a loss that offsets gains but a cost-versus-revenue computation. If your crypto acquisition costs exceed your crypto sale proceeds in a year, the excess costs roll forward to future years with no time limit and no annual percentage or amount cap, and can offset only your future crypto revenue. Dividends. Taxed at 19% on the gross amount, with no cost deduction and no offset against losses. Polish dividends have the 19% withheld at source, so you do not report them again. Foreign dividends are self-reported with attachment PIT/ZG, where tax already withheld abroad is credited under the proportional-credit method: so if only 15% was withheld abroad you owe the remaining 4% in Poland; if more than 19% was withheld, the credit is capped at 19% and you reclaim any excess from the source country. Note that guidance on the exact return varies — both PIT-38 and PIT-36 are used in practice for flat-rate foreign dividend income — so if precision matters, verify the current year's form designation. Interest. Also 19%. Polish bank-deposit and bond interest is generally taxed by withholding at source, so you receive it net and need not report it. Foreign-source interest is self-reported at 19%, again with no cost deduction. No allowance. There is no tax-free allowance for gains, dividends or interest. The PLN 30,000 kwota wolna applies only to income on the progressive scale.

ExampleSuppose in 2026 you buy ETF units and later sell them for PLN 50,000, having paid PLN 38,000 plus PLN 200 in commissions. Your net gain is 50,000 − 38,000 − 200 = PLN 11,800. The 19% Belka tax is PLN 2,242, leaving PLN 9,558. Separately, a foreign dividend of PLN 1,000 with 15% (PLN 150) withheld abroad: Poland's 19% is PLN 190, you credit the PLN 150 already paid, and top up the remaining PLN 40 via PIT-38 with PIT/ZG attached.

Accumulating ETFs defer all tax until you sell, because Poland has no deemed taxation. To picture how that tax-free reinvestment compounds over the years, try our compound-interest calculator.

In depth

Accumulating vs distributing ETFs

This is where Poland is unusually investor-friendly. There is no deemed, notional or mark-to-market taxation of accumulating funds — nothing like Germany's Vorabpauschale. An accumulating ETF reinvests dividends inside the fund and creates no taxable event until you sell; only then is the realised gain taxed at 19%. A distributing ETF's payouts, by contrast, are taxed as they arrive at 19%. Both are taxed at 19% on the realised gain when sold, but the accumulating structure defers the tax and lets gains compound untaxed in the meantime, which is why it is the common choice. If in a given year you only bought accumulating or non-distributing ETFs and sold nothing, you may have no PIT-38 obligation at all.

Foreign withholding and fund domicile

Poland has no UK-style reporting/non-reporting fund regime and no US-style PFIC regime — a fund's classification does not change the 19% treatment, and the realised-gain model applies uniformly to foreign ETFs. One subtlety matters: withholding tax suffered inside the fund (for example, on US dividends received by the ETF itself) is generally not creditable to you as an individual. Only withholding on distributions you personally receive can be credited via PIT/ZG. This is genuinely an area with limited Poland-specific official guidance, so for an unusual fund structure it is worth confirming with a tax adviser.

Wrappers: IKE, IKZE and the proposed OKI

Tax-advantaged accounts are the main way to escape the 19%. An IKE makes investment gains fully exempt from the Belka tax if you meet the conditions (held to age 60, or 55 with qualifying conditions, plus minimum contribution years); the 2026 contribution limit is PLN 28,260. An IKZE gives an immediate deduction from your progressive PIT base, with a reduced flat 10% tax on payout; 2026 limits are PLN 11,304 for individuals and PLN 16,956 for the self-employed. A further wrapper, OKI — a Swedish-ISK-style account allowing tax-free investing up to PLN 100,000 (of which up to PLN 25,000 for deposits and savings bonds) — has been proposed with a mid-2026 target, but it is not yet enacted and should not be assumed available for the 2026 tax year.

Checklist

I have recorded every trade in PLN using the NBP rate of the day before the transaction.
I have applied FIFO and subtracted fees to compute the net gain.
I have filed PIT-38 by 30 April and added PIT/ZG for any foreign dividends.
I have considered an IKE or IKZE wrapper to shelter future gains.

Common myths

Myth: Holding shares for years means I pay less capital-gains tax.

Reality: Poland has no holding-period relief. The rate is a flat 19% whether you held for a week or a decade; only deferral or a wrapper changes the outcome.

Myth: If my broker is abroad, the Polish tax office can't see it, so I don't report.

Reality: Foreign institutions report your account automatically under the CRS, and you must self-assess on PIT-38 regardless of broker location.

Sources

Frequently asked questions

Do I pay less tax if I hold an investment for many years?

No. Poland has no long-term vs short-term distinction and no reduced rate for long-held assets. A gain is taxed at 19% whether you held the shares for one week or ten years. The only way to reduce the bite is to defer realising the gain or to invest inside a tax-advantaged wrapper such as IKE.

My broker is abroad — do I still have to report?

Yes. Foreign brokers do not withhold Polish capital-gains tax, so you self-assess and pay via PIT-38 by 30 April. Foreign institutions also report your account data to the Polish authorities automatically under the CRS, so the obligation exists regardless of where the broker sits.

Are accumulating ETFs taxed every year like in Germany?

No. Poland has no deemed or notional taxation (no equivalent of Germany's Vorabpauschale). An accumulating ETF that reinvests internally creates no taxable event until you actually sell the units; only the realised gain is then taxed at 19%. This is why many Polish investors favour accumulating funds for tax deferral.

All lessons · Glossary · Editorial · Kontoo does the math and explains – this is general education, not tax, legal or financial advice.

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