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.
AI IPOs (OpenAI, Anthropic, SpaceX): Valuations & Odds
AI IPO timing, valuation brackets, model supremacy, and market cap prediction market odds on Polymarket and Kalshi.
2026 Midterm Election Odds: House and Senate Markets
House and Senate control, individual battleground races, and seat count prediction market odds on Polymarket and Kalshi.
2026 FIFA World Cup Odds: Live Winner Markets
Winner, qualification, player participation, and geopolitical prediction market odds for the 2026 FIFA World Cup.
Iran War Odds: Strait of Hormuz & Nuclear Deal Predictions
Ceasefire, regime change, oil prices, escalation, and Hormuz prediction market odds on Polymarket and Kalshi.