Arcus, a dYdX Labs-incubated DEX, began zero-fee stock token trading on Robinhood's L2 chain. DYDX dropped as much as 23% on the news. An Arcus token airdrop for the dYdX community is planned.
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Robinhood Crypto put money into Arcus, a new decentralized exchange incubated by dYdX Labs, and listed it on the official Robinhood Chain ecosystem page. Arcus started spot trading July 1 on that chain, a permissionless EVM-compatible Layer-2 built on Arbitrum technology. The platform offers 24/7 zero-fee trading on 95 Stock Tokens – tokenized versions of equities that give economic exposure without holding the actual shares.
Eddie Zhang runs the exchange as CEO. Antonio Juliano, founder of dYdX, sits on Arcus's board. Robinhood Crypto did not disclose the investment amount. Robinhood brings a reported 25 million users. Arcus brings the DeFi infrastructure to serve them.
Arcus operates as a separate entity from the dYdX Chain. The announcement was not a rebrand or a migration. It is a new product built by the same lab, aimed at a different market. The DYDX token fell 12% to 23% on the news – traders said they priced in concerns that attention and resources could split between the two platforms. Robinhood's own stock moved the other way, climbing over 10%.
The Robinhood Chain is a Layer-2 with block times as low as 100 milliseconds, built on Arbitrum's stack. It focuses on tokenized assets and AI-native features. Arcus is available in over 120 countries. Users in the U.S., Canada, and the U.K. are excluded due to regulatory limits. A waitlist for 35 perpetual contracts tied to real-world assets is open.
A native Arcus token is planned. It will include an allocation for the existing dYdX community – specifically traders and validators on the current dYdX Chain. For DYDX holders, the core chain continues operating independently. The Arcus token allocation gives some upside exposure. Juliano sitting on Arcus's board while remaining dYdX founder creates a governance tension that holders will watch closely.
Arcus enters a DEX market that already has Uniswap, Jupiter, and Hyperliquid. Its differentiators – zero fees, stock token access, Robinhood's brand – are real but constrained by the U.S., Canada, and U.K. exclusion. The Arcus token distribution details and how the dYdX community's slice gets allocated will be the next concrete point to track.
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