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Extended vs Ostium: which perp DEX is better?
A side-by-side comparison of Extended and Ostium on fees, leverage, volume, chain and token.
| Extended | Ostium |
|---|
| 24h volume | $110M | $80M |
| Maker fee | 0.5 bps | 2 bps |
| Taker fee | 3 bps | 5 bps |
| Max leverage | 50x | 200x |
| Model | Orderbook | AMM / Pool |
| Chain | Starknet L2 | Arbitrum |
| Token | No token | No token |
| Assets | Crypto | Commodities, Forex, Stocks |
Extended vs Ostium: which should you choose?
If your priority is cost, Extended wins on taker fees (3 bps). For maximum leverage, Ostium goes up to 200x. For depth and liquidity, Extended trades the most volume of the two. Both are pre-token, so either could reward early activity with a future airdrop.
Extended runs a orderbook on Starknet L2, while Ostium runs a amm / pool on Arbitrum. Read the full profiles: Extended and Ostium.
FAQ
- Is Extended or Ostium cheaper?
- Extended has the lower taker fee (3 bps vs 5 bps). Funding rates also affect total cost, so check both before trading.
- Which has higher leverage, Extended or Ostium?
- Ostium offers more, up to 200x, versus 50x. Higher leverage means higher liquidation risk.
- Which is bigger, Extended or Ostium?
- Extended has more listed 24h volume ($110M), which usually means deeper liquidity and less slippage.
More comparisons
Not financial advice. Volume figures are compiled from each venue's public data on our
live rankings and may lag; fees, leverage and token status are curated and can change. Always verify on the exchange before trading. Perpetual futures are high risk and leverage can liquidate your position.