Sports markets now make up a large share of prediction market trading. Instead of a bookmaker setting a line, traders buy and sell shares in each result, and the share price is the market’s estimate of the chance. Here are the most traded sports markets on Polymarket and Kalshi right now.
Sports: most traded
Latest price for “Yes”, shown as an implied chance. Polymarket volume in USD, Kalshi in contracts. Updated just now.
Prediction market odds vs sportsbook odds
A sportsbook builds its margin into every line, so the implied chances on both sides of a game add up to more than 100%. On an exchange the spread between the best buy and sell price is the cost instead, and on liquid games it can be just a cent or two. That is why prediction market prices often look slightly “fairer” than a bookmaker’s.
To compare a market price with a sportsbook line, strip the bookmaker margin with our no-vig calculator, then use the odds converter: a 40¢ share is +150 in American odds, or 2.50 in decimal.
Market guides
In-depth pages with live odds from both venues, side by side:
New: NFL division and conference winners · PGA Tour golf · MLB and the World Series · Stanley Cup · Champions League · Premier League · College Football Playoff · March Madness. Comparing with a sportsbook? Use the no-vig calculator.
Super Bowl odds 2027
Every team's chance to win Super Bowl LXI, Polymarket and Kalshi side by side.
Open →NFL odds
Super Bowl contenders, MVP race and the most traded pro football markets.
Open →MLB and World Series odds
Live odds on Major League Baseball from Polymarket and Kalshi: who wins the World Series, who's named its MVP, and the most…
Open →NFL division and conference winners
Every division race and both conference titles.
Open →NFL MVP odds 2026
The live MVP race, every candidate's chance on both venues.
Open →NBA odds 2026-27
Title and conference odds for every team, both venues side by side.
Open →NBA MVP odds 2026-27
Every MVP candidate's live chance, with the 65-game rule explained.
Open →Heisman Trophy odds 2026
Live odds for college football's top award, and how the voting works.
Open →PGA Tour golf odds
This week's tournament winner, live.
Open →College Football Playoff odds 2026-27
Title odds and who makes the 12-team field, from both venues.
Open →Masters odds 2027
Every golfer's live chance to win the green jacket.
Open →Ballon d'Or odds 2027
Who wins next year's award, after Kane's 2026 win.
Open →UFC odds
Fight winners, method and rounds, and how draws settle.
Open →March Madness odds 2027
Every contender's live chance to win the 2027 title.
Open →Stanley Cup odds 2027
Every team's live chance to lift the Cup.
Open →Champions League odds 2027
Every contender's live chance, both venues.
Open →Premier League odds 2026-27
Title, top four and relegation, live.
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