Ostium, a decentralized exchange built on Arbitrum, has become the first onchain trading venue to offer equity perpetuals on individual U.S. stocks using official Nasdaq data — giving global traders blockchain-based access to Wall Street equities with instant settlement and self-custody. The exchange has processed over $50 billion in cumulative volume across more than 26,000 traders since its 2024 launch, with notional open interest currently sitting at around $91.6 million.
The Nasdaq tie-up adds institutional-grade price data to a product Ostium already offered, but the credibility uplift is the real story. Equity perpetuals now account for nearly 20% of the RWA perps market, which logged over $75 billion in activity last week according to Stork Labs — and the segment is already influencing price discovery, with pre-IPO perps on Cerebras Systems reportedly pricing the stock almost…
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