Signum delivers real-time trading signals that predict price movement and liquidity – millions of times a day. The Liquidity Lamp signal uses machine learning to detect reserve orders. Quote Vector and Quote Fuse predict the direction and immediacy of changes in the prices of NBBOs for US-listed securities. The signals are generated by real-time exchange and securities information processor (SIP) feeds and are delivered simultaneously with market data events to uncover trading opportunities in US markets, helping you improve and accelerate order routing and cancellation decisions.