Arcus

Arcus offers self-custodial spot and perpetuals trading on Robinhood Chain. Its launch coverage described an ex-dYdX team working with Robinhood Crypto on Stock Token and crypto trading. Early July 2026 figures were roughly $5.6m TVL, $2.5m in 24-hour spot volume and $1.9m in 24-hour perpetuals volume. Those figures do not describe current liquidity.