Kalshi Launches Real-Time Order Book Feed on DoubleZero Edge

Kalshi, a federally regulated prediction market platform, has launched a real-time order book data feed through DoubleZero Edge, a market data transmission service built on a dedicated global fiberoptic network. The integration, announced on August 12, 2026, marks the first time an ultralow-latency multicast feed has been deployed in the prediction market sector, providing institutional traders with direct access to market depth data.

The new service initially covers Kalshi's sports event contracts and cryptocurrency perpetual futures markets. Subscribers can access Level 1 feeds containing top-of-book prices and trades, as well as Level 2 feeds providing the complete order book across every price level. This real-time streaming capability is designed to bring prediction market trading closer to the speed and efficiency seen in traditional financial markets.

Previously, traders accessing Kalshi programmatically relied on its public API and WebSocket feeds, a process that introduced delays and required additional steps to reconstruct order book conditions. The Edge feed instead provides a normalized, machine-readable view of the order book with no per-stream cap or per-request...