Raven is a proprietary high-frequency trading and market making firm. Backed by Hack VC, Wintermute Ventures, Coinbase Ventures, and CMCC Global, the firm provides institutional-grade liquidity across prediction markets, centralized and decentralized exchanges. Raven operates on 30+ exchanges including Binance, Coinbase, and OKX, and is one of the few institutional market makers actively providing liquidity on Polymarket, Kalshi, and Gemini Predictions. Engagement is typically backed by a service-level agreement, ensuring consistent liquidity depth and uptime across all trading platforms.n