Ostium is a decentralized perpetuals exchange built on Arbitrum that lets you trade stocks, commodities, forex, and indices on-chain with self-custody. Gold, oil, EUR/USD, S&P 500, Nikkei, individual equities all tradeble directly from your wallet with up to 200x leverage, no broker involved.
The founders built it after getting burned repeatedly by opaque centralized brokers while running arbitrage strategies out of a Harvard hacker house. Their thesis: the $10T monthly global CFD market is structurally broken pricing is broker-controlled, liquidations are discretionary, withdrawals can be frozen. Ostium replaces all of that with fully auditable, on-chain execution where every spread, fee, and liquidation parameter is public.
Unlike most perp DEXs that compete with Binance or Hyperliquid for crypto volume, Ostium's stated target is eToro, Robinhood, and IG the retail brokerage world. More than 95% of open interest on Ostium is in traditional markets. The platform has processed over $25 billion in cumulative volume, including a $26M+ single gold trade executed on-chain — the largest gold order ever settled on-chain.
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