Predexon

Predexon — Tick-level prediction-market microstructure captured by the vendor's own nodes and indexed from chain: every orderbook placement, update, cancellation and fill across Polymarket, Kalshi, Opinion, Limitless and Predict.fun, with trade and price history back to 2020, replayable orderbook history at multiple granularities, wallet-level analytics and leaderboards, and a low-latency real-time stream that runs ahead of the venues' own published feeds.. Small team with an outsized data position: 3 staff and no disclosed funding beyond backing from a named investor, yet holding multi-venue…

Predexon offers (Alternative, Price, Sentiment) — Very large by construction: every orderbook event on five prediction venues recorded continuously since the recorder went live, plus trade and price history back to 2020. Orderbook tick streams on the busiest venues routinely reach hundreds of millions of events per year, so the full archive plausibly sits in the low billions of events..

Event-probability and forecasting model training on resolved markets with free ground truth, election and macro-policy nowcasting from market-implied probabilities, cross-venue price-discovery and latency studies, sharp-wallet and smart-money signal extraction from wallet analytics, backtesting of event-driven strategies on replayable orderbook history, and construction of policy-risk features (rate path, election, geopolitical) for equities, rates and crypto portfolios.

The data is with 6 years of history.

Coverage spans US, Other; Financial Exchanges & Data; alternative, price, sentiment; derivatives, crypto, equities.