What chains does Ostium support?
Ostium supports one chain: Arbitrum.
Checked 2026-10-16 · 3 sources- Chains are listed as published by the venue on 2026-10-16. New chains are added often.
- Ostium is a perp dex; supported chains can differ between spot trading and other products.
Sources: Ostium Docs: Fees (live opening-fee table) · Ostium Docs: Welcome to Ostium · Ostium Docs: Connect Your Account. The venue's own page wins if it disagrees with ours.
Ostium
Perp DEX · 0.06% round trip. Ostium is an Arbitrum-based perpetuals venue offering leveraged exposure to 75 pairs across stocks, ETFs, commodities, indices, forex and crypto, settled in USDC against a liquidity vault and hedged off-chain with institutional partners.
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