Categories

Temperature records, hurricane landfalls, emissions targets — small markets, large edges.

BTC price targets, ETF flows, protocol upgrades — the natural home category for Polymarket.

Fed rates, inflation prints, GDP, recession odds — macro markets are where institutions are hedging.

Elections, legislation, geopolitics — the deepest, most liquid category in prediction markets.

NFL, NBA, soccer, UFC — 90%+ of Kalshi's monthly volume now comes from sports.