The Largest Aggregated
Prediction Market Dataset.
24/7 news. Cross-exchange data. Full API access. One platform for traders, researchers, and builders.
Aggregated Pricing
Across 7+ Exchanges.
Compare prices, volume, and spreads across exchanges side by side. Access real-time order books and historical data for model training, backtesting, and spotting mispricings — all from a single normalized feed.
| Market | Probability | Volume | Timestamp |
|---|---|---|---|
| US Election 2026 | 52.3% | $2.4M | 2026-03-13 14:32:18 |
| Fed Rate Cut by Q2 2026 | 68.7% | $1.8M | 2026-03-13 14:31:45 |
| Bitcoin > $100K by EOY | 41.2% | $3.1M | 2026-03-13 14:31:12 |
| AI Regulation Passes in 2026 | 29.5% | $950K | 2026-03-13 14:30:58 |
| S&P 500 Closes Above 5000 | 76.4% | $4.2M | 2026-03-13 14:30:33 |
| Climate Summit Agreement | 33.8% | $1.2M | 2026-03-13 14:30:07 |
Build Analysis Pipelines
Through Indices.
Combine prediction market price data with macroeconomic signals to construct public market-style indices. Train models on crowd-sourced probabilities, weight them by volume and liquidity, and generate actionable trade signals.
Turn inflation predictions into trading signals
Programmatic Access
to Everything.
Full API access to Kalshi, Polymarket, and all supported exchanges — real-time news, market analytics, order books, and more. REST and WebSocket endpoints, with SDKs and cloud notebooks available. Custom endpoints built in 2–3 days.
[ { "type": "kalshi", "market_id": "<string>", "klsi_id": "<string>", "poly_id": "<string>", "title": "<string>", "category": "<string>" } ]