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Ostium

Perp DEX (RWA)
$— · Founded 2024 · ostium.app ↗
No token yetPre-token
Visit Ostium ↗
★★★★★★★★★★
50/100dexwatch score · Caution

Ostium is a Perp DEX (RWA) on Arbitrum.

Key metrics

24h volume
n/a
Total value locked
$4.2M
Open interest
$8.9M
Share of tracked perp volume
n/a
Market cap
n/a
Maker / taker fee
0% / 0.06%
Max leverage
100×
Trading pairs
44

Snapshot Oct 15, 2026 from public sources (the venue's own market API for volume and open interest, DefiLlama for TVL). Live values refresh in your browser where a source is available. Fields without a verifiable source show n/a.

Overview

Ostium is a perp dex (rwa) that runs on Arbitrum. It handles $4.2M in total value locked, charging a taker fee of 0.06% and offering up to 100× leverage. Founded in 2024.

A detailed editorial pros & cons breakdown, security score and audit history for Ostium are not available yet — the figures above come from public trackers and the venue's own API where available. We add full profiles over time.

Made your choice?

Start trading on Ostium

Non-custodial — connect your wallet and you stay in control of your funds. Leverage is high-risk; only trade what you can afford to lose.

ArbitrumPerp DEX (RWA)
Open Ostium ↗ Visit ostium.app Affiliate link · dexwatch may earn a commission at no extra cost to you.

Frequently asked about Ostium

Is Ostium safe to use?
There is no published dexwatch security score or audit list for Ostium in our dataset yet, so we mark that as not available. Like other decentralized exchanges it is non-custodial, meaning you keep control of your funds in your own wallet. Always do your own research before trading.
What are the trading fees on Ostium?
Ostium charges a maker fee of 0% and a taker fee of 0.06%.
What is the maximum leverage on Ostium?
Ostium offers up to 100× leverage on supported markets. High leverage is extremely risky and can liquidate a position quickly — only trade what you can afford to lose.
Which blockchains does Ostium support?
Ostium operates on Arbitrum.
Does Ostium have a token?
No. Ostium has no live token at the time of writing. We do not speculate on future token launches.

Head-to-head comparisons

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Ostium vs GMX

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Learn before you trade

Open the Academy →
What are perpetuals & perp DEXes?Module 7 · 7 min read → Leverage risk & liquidationModule 7 · 6 min read → The crypto wallet: your key to the DEXModule 2 · 6 min read → Phishing, fake sites & wallet drainersModule 5 · 7 min read →
Key terms
PerpetualsFunding rateLeverageLiquidationMargin
Related guides
Best DEX for beginnersBest perp DEXesHow to choose a DEXHyperliquid alternatives

Figures are a dated snapshot from public sources — they move constantly and are for reference only, not financial advice. Updated Oct 15, 2026. Spotted an error? Tell us.