Most actively traded prediction market categories.
Discover new markets that match your interests and get alerts when they move.
Explore top prediction market categories.
Resources for the most actively traded categories.
Politics.
Learn how politics markets work and resolve, track and compare them in one place, and get alerts when they move.
Sports & Entertainment.
Learn how sports and entertainment markets work and resolve, track and compare them in one place, and get alerts when they move.
Climate & Weather.
Learn how climate and weather markets work and resolve, track and compare them in one place, and get alerts when they move.
Economy & Finance.
Learn how economy and finance markets work and resolve, track and compare them in one place, and get alerts when they move.
Scan every category and get alerts.
Compare live contracts across Kalshi and Polymarket, find new markets, and get alerts when they move.
The stories moving the biggest markets.
Live prices, resolution sources, and every related contract in one place.
Reality TV Predictions 2026: Big Brother 28 & Bachelorette
Live prediction markets for reality TV competition seasons: Big Brother 28 winner, placement and weekly eviction contracts on both venues, whether The Bachelorette Season 22 ever airs, plus Summer House, Dancing with the Stars and Tournament of Champions.
Trump Presidency Tracker 2026: Approval & Impeachment Odds
Live Kalshi and Polymarket odds on Trump's second term: how low approval goes, whether impeachment happens, who leaves the Cabinet, the pardon ladder, and the Greenland and 51st-state markets.
Supreme Court Predictions 2026-2027: Next Justice & Rulings
Track the ladder for the next Supreme Court justice, the retirement-watch contracts on Samuel Alito, and the pending cert petitions on sports event contracts, tariffs, and gun rights, priced live on Polymarket and Kalshi.
College Football Odds 2026: Playoff, Heisman, National Title
Live college football prediction markets on Kalshi and Polymarket: the national championship, the 12-team Playoff field, the Heisman Trophy, the four Power conference titles, and season storylines.