Scanna
Scanna

AI Predictions

Predict

ML prediction for a market from the resolved-market model.

GET /predict

Note

Requires a Pro or Enterprise key. See Plans.

AI-powered prediction for any market. CatBoost model retrained daily on 2,799+ resolved markets. Brier Skill Score +0.72 — beating market prices by 72% on uncertain predictions.

What is BSS?

Brier Skill Score measures improvement over a baseline (market prices). +0.72 means 72% less prediction error than using market prices alone. Validated via walk-forward backtest on 170,000 uncertain markets (price 0.2–0.8).

Parameters

ParameterTypeRequiredDescription
market_idstringYesPolymarket condition ID
curl -H "x-api-key: YOUR_KEY" \
  "https://api.scanna.xyz/predict?market_id=0xfb1835..."
{
  "market_id": "0xfb1835...",
  "predicted_probability": 0.845,
  "confidence_interval": [0.72, 0.94],
  "model_source": "catboost_calibrated",
  "converged": true,
  "features_used": 22
}

Note

Predictions require computed features, which are only available for resolved markets. For active markets, use Live predict.