Cross-market prediction market data aggregator. Covers Polymarket, Manifold, Metaculus, and Kalshi. Finds arbitrage between markets, tracks consensus drift, compares implied probabilities, and detects edge. Open-source alternative to DomeAPI. Use when you need cross-market prediction market data, arbitrage detection, consensus comparison, or unified prediction market signals.

跨市场预测市场数据聚合平台，涵盖 Polymarket、Manifold、Metaculus 和 Kalshi。检测市场套利机会，追踪共识漂移，比较隐含概率，识别优势。DomeAPI 的开源替代方案，适用于需要跨市场预测数据、套利检测、共识比较或统一预测市场信号的场景。