Oddpool

Provides normalized data and connectivity for prediction markets across Kalshi and Polymarket, aggregating real-time odds, order books, trades, and historical archives to support price comparison, arbitrage detection, and research. It sells to market makers, proprietary trading firms, hedge funds and macro research desks, with a self-serve tier for individual traders and researchers. It is delivered as a unified API, WebSocket feed, and Parquet archives with hosted dashboards, chat, and paper trading, offered via free tier and paid SaaS with enterprise pricing.

Key features

• Compare real-time odds across venues
• Track prediction market prices
• Find cross-venue arbitrage gaps
• Follow whale trades
• Search across 700K+ markets
• Pull historical orderbook snapshots
• Stream live probabilities via WebSocket
• Normalized API and WebSocket access
• Historical trades execution tape
• Parquet archives queryable in DuckDB/Spark
• Arbitrage scanner with ROI sorting
• Whale tracking dashboards
• Paper trading simulator
• Chat with Oddbot for market lookup