Holding period gone: Slovenia derivatives tax after 2026

General information about tax rules, not tax or legal advice. Rules change and every situation is different: check with a qualified adviser in your country before you file.

If you were day trading futures from Slovenia in 2025, every closed contract handed forty percent of the gain to the state. Not twenty five. Forty. The reason was a holding period rule written for people who buy something and sit on it, applied without modification to someone whose average position lasts eleven minutes.

That rule is gone. For tax years starting on 1 January 2026, the tax on gains from disposing of derivative financial instruments is a flat 25 percent, and how long you held the position no longer changes it. For an intraday trader this is one of the largest single changes to personal taxation in Slovenia in years, and it went through with almost no noise.

What actually changed

Slovenia taxes derivatives under their own act, the Zakon o davku od dobička od odsvojitve izvedenih finančnih instrumentov, usually shortened to ZDDOIFI. It is a separate tax from personal income tax, with its own return, its own assessment and its own rate table. The rate table was amended by a law published in Uradni list RS no. 85/2025, in force from 6 November 2025 and applying to tax years from 2026 onward.

Holding period	Rate up to and including 2025	Rate from 2026
Under 12 months	40%	25%
12 months to 5 years	27.5%	25%
5 to 10 years	20%	25%
10 to 15 years	15%	25%
Over 15 years	10%	25%
Over 20 years	0%	25%

Read the table from the top if you are a trader and from the bottom if you are not. Somebody who was holding a structured product for two decades waiting for the exemption has just lost it. Somebody closing MNQ positions inside the session has had their rate cut by fifteen percentage points. FURS publishes the current position on its page for people who have disposed of derivative financial instruments.

Why the old scale punished the wrong people

The forty percent band was not aimed at day traders. It was a speculation penalty, built on the assumption that a short holding period signals a bet and a long one signals an investment, and it made a kind of sense for someone flipping a warrant.

Applied to futures, it broke. A futures contract is a margined instrument with a defined expiry; nobody holds an MNQ front month for fifteen years, and the concept of a twenty year holding period does not exist in that market. Every single trade a futures trader ever made fell automatically into the top band. The scale had five rungs and the entire asset class could only ever stand on the first one.

The arithmetic of that was ugly in a specific, demoralising way. Imagine a decent year: 20,000 euros of gains, 8,000 euros of losses, 12,000 net. At 40 percent, 4,800 euros to the state and 7,200 left. At 25 percent, 3,000 and 9,000 left. The same trading, the same risk, 1,800 euros of difference, and the only variable is which calendar year the trades were closed in.

None of that means 2026 is a good year to start trading futures. It means the tax code stopped charging a premium for the timeframe you work on, which is a different and much smaller claim.

The transition, and the trades that straddle it

The new rate applies to tax years beginning on 1 January 2026. That means the return you filed in early 2026, covering the calendar year 2025, still ran on the old scale with the forty percent band intact. The first return at a flat 25 percent is the one for calendar year 2026, due at the end of February 2027.

For a day trader this is clean, because a position opened and closed inside a session belongs unambiguously to one year. For anyone carrying a position across the New Year it is worth confirming the treatment with an adviser rather than assuming, since the rate attaches to the tax year of disposal. If you were sitting on an unrealised gain in a long dated instrument in December 2025, the calendar mattered in a way it will never matter again.

What counts as a derivative here

ZDDOIFI covers derivative financial instruments as defined in the act governing the financial instruments market, plus certain debt securities whose return does not come from coupons or a discount. In practical terms, for a retail trader that means futures, options, CFDs and structured products of that family. Ordinary bonds and treasury bills, where the return is interest, are not in scope and are taxed elsewhere.

Three points of scope that catch people out.

• Foreign source is included. If you are a Slovenian tax resident, a gain on a contract cleared in Chicago through a US broker is taxable in Slovenia exactly as a domestic one would be. The broker's location changes nothing except who has to do the paperwork, which is you.
• The 2008 cut off. The tax applies to instruments acquired on or after 15 July 2008. Nobody trading futures today is affected by this, but it explains why the act looks the way it does.
• It is not dohodnina. This is a separate tax, not a category of personal income tax. Which matters enormously once you get to losses.

How the taxable gain is built

The base is the value at disposal minus the value at acquisition, and then a deduction for standardised costs, the normirani stroški, which you get without having to prove anything.

• Without leverage: up to 1 percent of the acquisition value plus 1 percent of the disposal value.
• With leverage: up to 0.25 percent of the acquisition value plus 0.25 percent of the disposal value.
• In both cases the deduction cannot exceed the positive difference itself. It reduces a gain to zero at most; it does not manufacture a loss.

The leverage distinction is the one that matters to a futures trader, because a futures position is leveraged by definition. You get the quarter percent version, not the full percent version. On a position with an acquisition value of 20,000 euros and a disposal value of 22,900, the standardised cost is roughly 0.25 percent of each side, so about 107 euros, against a gross difference of 2,900. It is not nothing across a year of volume, but do not build a plan around it.

A practical note on contract values: the acquisition and disposal values here are the values of the instrument, not your margin. Confusing notional with deposit is the fastest way to produce a return that FURS cannot reconcile with your broker statements.

Losses live in a sealed universe

This is the part that surprises people who also hold shares or funds, and it survived the 2026 change untouched.

Losses on derivatives can be set against gains on derivatives within the same calendar year. That is the whole of it. They cannot be set against capital gains on shares, fund units or other holdings taxed under the personal income tax act, and gains and losses on those cannot come the other way either. Two separate taxes, two separate ledgers, no bridge.

So a year in which your futures account loses 6,000 euros and your equity portfolio gains 6,000 euros is not a flat year for tax purposes. It is a year with a derivative loss that does nothing for you and an equity gain that is fully taxable. Plan for it, because no accountant can fix it afterwards.

Before you assume a bad year will shelter a good one, check the current position on carrying a derivative loss forward with FURS directly. Do not assume it works the same way as the loss rules you may know from shares.

Filing the napoved, and the dates that bind

Nobody withholds this tax for you. There is no Slovenian equivalent of a broker deducting it at source when your counterparty is a foreign clearing firm, so the entire obligation is a self assessment.

• The return is the Napoved za odmero davka od dobička od odsvojitve izvedenih finančnih instrumentov, filed with your competent financial office.
• The deadline is 28 February for the previous calendar year. When that date falls on a weekend it moves to the next working day, which is why the return for 2025 was due on 2 March 2026.
• If you made more than ten disposals in the year, filing through eDavki is mandatory. Ten or fewer and paper is still allowed. Any active futures trader is comfortably over ten, so assume electronic.
• FURS issues an assessment decision, the odločba, by 30 April, and the tax is payable within 30 days of that decision.

The ten transaction threshold deserves a second look, because it tells you what the system expects. A trader with four hundred round turns is filing a document with four hundred lines on it, each with its own acquisition and disposal value, and eDavki will want that in a structured form. Whatever your platform is, the export you need is at fill level and you need it before February, not during it. FURS keeps the current forms, the technical documentation and the detailed description of the tax on its section for this tax.

When trading stops being capital and becomes a business

ZDDOIFI is the rule for a resident individual disposing of derivatives. It is not the rule if that activity amounts to carrying on a business, in which case the personal income tax act takes over and you are taxed on income from activity instead, with a completely different rate structure, contributions and bookkeeping obligations.

There is no bright line in the statute that says four hundred trades is a business and forty is not. It is assessed on substance: organisation, continuity, whether you are operating on the market in a way that resembles an enterprise. What that means in practice is that a full time trader with high frequency and significant volume is in a genuinely uncertain position and should get it settled by a Slovenian tax adviser rather than assume the 25 percent applies and hope.

The flat 25 percent makes this question more interesting, not less, because the gap between the two regimes just narrowed on one side and stayed where it was on the other. If you are anywhere near the line, the answer is worth an hour of professional time.

What to do before next February

• Fix your export now. Fill level data with dates, instruments, quantities and values on both sides. Retrofitting this in February from platform screenshots is a genuinely miserable weekend.
• Keep derivative and equity records separate. They go to two different taxes and they must never be netted against each other.
• Convert consistently. A dollar denominated account has to be reported in euros. Agree the date convention with your adviser once and apply it to every line.
• Diarise 28 February and 30 April. One is your filing deadline, the other is when the assessment decision lands and the 30 day payment clock starts.

One last thing worth saying out loud. A fifteen point rate cut is a real improvement to the arithmetic of trading from Slovenia, and it is also completely irrelevant if the underlying activity does not make money. Leveraged futures can lose you more than you deposit. The tax change makes a working strategy more worthwhile; it does not make a losing one survivable.

This article is general information about Slovenian rules as they stand in 2026 and it is not tax or legal advice. Legislation, rates and deadlines change, so confirm your own position with FURS or with a Slovenian tax adviser before acting on anything written here.

slovenia derivatives holding period

Educational content, not investment advice. Trading futures involves substantial risk of loss and is not suitable for every investor. Any reference to Algomyth results is hypothetical, simulated over historical data, and shown in full on the performance page; past performance does not guarantee future results.