Where predictions
become competition.

How It Works

The Deepest Categorization in Prediction Markets

Eight top-level categories, hundreds of subcategories, and thousands of entities — organized four levels deep so you can find exactly the topics you follow.

Cards below show a snapshot of each category. The full tree is deeper.

Tagged by Entity

Every market is tagged with specific people, companies, teams, countries, and more. Follow and filter by the entities that matter to you.

Markets & Events

You've seen the categories and the entities. Here's what the thing you actually pick on looks like.

Markets contain events. Events have live odds. You pick your position — and your accuracy is scored when the outcome resolves.

Host your own game. Or join anyone else's.

Prediction Arena is a game engine. Pick any slice of the market data — a category, a single market, a set of entities — and wrap it in a game. Choose a format, set the rules, invite your friends or open it to the world. The engine handles rounds, scoring, and live ranking.

On top of the engine, every game runs in one of two modes —

Every game has a scoreboard.

Picks are scored against real outcomes. Players climb. Results are live. Toggle between games to see what a leaderboard actually looks like mid-flight.

Creators build the audience. Sponsors reach it.

Hosts grow communities around their games. Brands back the competitions those communities show up for. Prediction Arena is the marketplace in the middle.