ostium promo code, and what it actually gives you
Use the referral link and you pay 0.03% to 0.1% of notional to open on Ostium, which is exactly what you pay without it. The referral reaches your account by link, it carries an unconfirmed claim, it leaves your 200x ceiling exactly where it was, and your loss still stops at the collateral per trade.
Your Ostium opening rate stays at 0.03% to 0.1% of notional whether the referral is attached or not, and your ceiling stays at 200x.
| Code | link only, no code to type |
| How it reaches your account | carried by the link, with nothing to type |
| Cost to open $100 at 10x | $0.30 to $1.00 |
| Opening rate | 0.03% to 0.1% of notional |
| Does the code cut that rate | no |
| Cost of holding | continuous per block |
| Leverage ceiling | 200x |
| Your loss stops at | collateral per trade |
Each line answers one question a competing Ostium promo-code page answers, and anything that could not be verified is labelled as reported.
what the Ostium referral gives you
Nothing Ostium promises the referred side has been confirmed against a funded account, so treat the wording it publishes as a description you cannot check. Your opening rate stays at 0.03% to 0.1% of notional and your ceiling stays at 200x whichever way it turns out.
Quoted from Ostium: “Referrers earn 'Bonuses', a percentage of the scores earned by traders they refer, across five referrer tiers set by all-time referred volume. Referred users receive 'Boosts' to their own trading scores, sized by the referrer's tier. Rewards are points/score based, not a stated fee discount.” (Ostium referral documentation)
whether it is confirmed, and when it was checked
You should treat none of the referred side as confirmed. On 28 August 2026 the only description Ostium published was its own referral wording, with no figures behind it, so it stays a claim by Ostium until Ostium publishes a number anyone can quote. Ostium's own announcement describes the tier structure but publishes no bonus percentages, boost percentages or tier volume thresholds: unconfirmed. The tracking link is operator-held and resolves to app.ostium.com/trade with the referrer attached, so it lands you on the trading screen rather than on Ostium's referrals explainer.
Do not exceed 20x leverage. It will kill you. At 20x a 4.875% move against you ends the position; at 200x it takes 0.375%.
what you pay ostium to open
Your Ostium fee schedule does not move. You pay 0.03% to 0.1% of notional to open on Ostium with the referral attached and the same without it, so it takes nothing off what your position costs to open. Budget on the undiscounted rate at every rung up to 200x, because whatever the arrangement moves sits outside the opening fee.
| Class | Opening rate | Fee at 10x without the referral |
|---|---|---|
| gold | 0.03% | $0.30 |
| currency pairs | 0.03% | $0.30 |
| equity indices | 0.03% | $0.30 |
| commodities other than gold | 0.05% | $0.50 |
| exchange traded funds | 0.05% | $0.50 |
| the two emerging-market currency pairs | 0.05% | $0.50 |
| equities | 0.06% | $0.60 |
| cryptocurrency | 0.1% | $1.00 |
With the referral is the same as fee at 10x without the referral on every row.
Opening cost on a $100 collateral, computed from the Ostium schedule at 0.03% to 0.1% of notional. Carry is excluded, and where a rate varies by asset class each class is listed separately.
whether you are eligible for it
You have one moment to get this right: Ostium sets your attribution from the link you arrive on, there is no code to type later, and an account you opened directly cannot be attached to the arrangement afterwards. Beyond that, Ostium names 6 jurisdictions it will not serve and its identity requirement is not published anywhere you can read it, so if you cannot open the account you cannot have the arrangement either (Ostium terms).
what the referral link will not do for you
Ostium will not treat you any differently because of it. The referral link does not raise your ceiling above 200x, does not widen your room to liquidation at any leverage level, and does not move your loss cap off the collateral per trade. At 200x a $100 collateral on Ostium controls $20,000 and your distance to liquidation is 0.375%, with or without the arrangement. It leaves the rollover fee untouched as well, which costs you continuous per block on Ostium.
You get no per-instrument survivability figure for Ostium, because Ostium sets its ceiling per asset class rather than per instrument, so there is no single instrument to measure one against. What you can see is the shape of the cost: $0.30 to $1.00 to open at 10x and $6.00 to $20.00 at 200x, on the same $100 collateral.
the two decisions worth more to you than the referral link
Where you open and how hard you push it are worth more to you than the referral link is. Opening on Ostium runs from $0.30 to $1.00 at 10x to $6.00 to $20.00 at 200x on a $100 collateral, and the spread across the venues pricing 10x is $0.88. Against those figures the Ostium arrangement gives you nothing you can measure, because Ostium publishes no number for your side of it beside its 0.03% to 0.1% rate.
the Ostium terms that hold whatever you do
Open a $100 collateral at 10x on Ostium and you pay $0.30 to $1.00, your ceiling is 200x, your loss stops at the collateral per trade and the rate you are charged to hold is published. Those four terms decide how your position ends, and each of them is written out in full on the Ostium review beside the document it came from.
The liquidation rule behind your loss cap is stated by Ostium as a formula, with its worked thresholds on the review page. Read that before you use the referral link rather than after, because the room it leaves you at 200x is the term that ends your position on Ostium.
MarketMoves earns a commission when a reader opens an account through a link on this page. It costs the reader nothing and does not change the figures shown. Venue registry 2026-08-28a, reviewed through 2026-11-28. Every cost here is an opening cost, and Ostium charges that separately, so none of these figures contains the cost of holding a position open.
Figures on this page were rebuilt 2026-08-28 by the MarketMoves editorial desk, from the sources named in the methodology. Nothing here is a forecast, and none of it is advice.