Documentation
Attena creates rolling indices from prediction market prices. Real-time data, verifiable methodology.
What are Attena indices?
Each index aggregates related prediction market contracts into a single continuously-updating value. Markets provide the prices. We provide the structure.
Index categories
Key concepts
- Rolling indices
- Contracts roll forward automatically. No expiration, no position management.
- Market-derived
- Every value comes from real prediction market prices with real money at stake.
- Hedgeable
- Underlying contracts are tradeable on Kalshi and Polymarket.
Data sources
KalshiWeather contracts, CFTC-regulated
PolymarketSports and geopolitics markets
Update frequency
Weather5 min
Sports5 min
Geopolitics1 min