about pdata
pdata aggregates ~100k prediction markets across 8 platforms — Polymarket, Kalshi, Manifold, Myriad, Limitless, Predict, Opinion, and Gemini — and presents them as a single browsable surface. Free. Read-only. No signup.
24h volume is the platform-reported notional figure — the same number each platform's own dashboard reports.
what it does
- ·Cross-platform market browsing with consistent prob & volume columns.
- ·24-hour platform-volume stack chart on the homepage.
- ·Rolling 24h probability deltas to surface the biggest movers.
- ·Hand-picked "in-focus" grids by category.
what it doesn't do
- ·No trading. No accounts. No positions. No referral links.
- ·No proprietary data — every number is pulled from a platform's own public API and is reproducible. See methodology for the exact pipeline.
- ·No editorial slant — the in-focus grid is selected automatically.