Event-contract market data · categories

Prediction Market Data by Category

1,946 series across 7 categories on Kalshi, Polymarket, predict.fun and OG.com. Each category hub lists every live series with coverage, archive size and 30-day activity (to 2026-10-12); the topic hubs underneath slice it by league, asset or release.

Browse prediction bundles Browse by topic →Most traded series →

7 categories

Crypto topics

Bitcoin Up or Down Ethereum Solana XRP Altcoins All crypto series →

7 topic hubs

Politics topics

Primaries Midterms, House & Senate 2028 Presidential Election Trump Administration Supreme Court & Congress World Elections & Leaders Geopolitics All politics series →

18 topic hubs

Economics topics

Gold Silver Oil (WTI)Commodities S&P 500 Nasdaq-100 Stock Indices Stock Up/Down CPI & Inflation Fed & Interest Rates Jobs, Unemployment & GDP GPU & Memory Prices IPOs & Corporate Actions Gas Prices Company KPIs & Earnings GDP & Recession Treasury Yields & FX Housing & Rents All economics series →

3 topic hubs

Climate topics

Temperature Hurricanes Lowest Temperature All climate series →

9 topic hubs

Culture topics

Billboard & Music Awards Love Island & TV Elon Musk Tweets Rotten Tomatoes Mention Markets Movies, TV & Streaming Podcasts, Media & Internet Celebrities & Fashion All culture series →

3 topic hubs

Science topics

AI Models Space & Tech Milestones Health & Science All science series →

FAQ

Prediction-market categories — FAQ

How much prediction-market activity do these categories cover?

1,946 Kalshi, Polymarket, predict.fun and OG.com series across 7 categories, with 345,509,331 trades and $13.5B of USD turnover in the 30 days to 2026-10-12 — Sports leads at $7.7B. Every number is summed from the trade prints of every contract in our own tick capture.

How is a category hub built?

From the static series registry intersected with the live archive: only series with recorded days are listed, and each hub shows its series per venue, 30-day trades and turnover, month-by-month development, the biggest contracts of the newest day and an FAQ. Day bundles are bought in the shop from €1.