Prediction market odds, compared

Each row is one question matched across Polymarket, Kalshi, PredictIt and Manifold. Consensus is the liquidity-weighted probability across the real-money venues; the gap is the highest minus the lowest real-money price, in percentage points.

Where the venues disagree most

Most traded matched events

Give your agent this data

These prices come from the huebr engine. Agents can read them over MCP with no key, and code can use the REST API (this page is /v1/events). Arbitrage and mispricing signals are paid per call or with a Pro key.

MCPhttps://huebr.net/mcp