League hub
MLB odds on prediction markets
No MLB game is listed yet; 3 season-long markets are open on Polymarket and Polymarket US. Sports contracts are the contested part of this market: 19 states have acted against them, so where you can trade depends on where you are. This hub stays put across the season as fixtures come and go.
This week’s fixtures
Other open markets
Season-long, futures and props markets on MLB, busiest first.
MLB World Series Champion 2027
Polymarket · Polymarket US · $204 in 24h on Polymarket · settles Oct 31, 2027
Favourite: Los Angeles Dodgers 22%
MLB Playoffs: Team to advance to 2027 World Series
Polymarket · $90 in 24h on Polymarket · settles Oct 21, 2027
Busiest: Detroit Tigers 8%
MLB The Show 27: Cover Athlete
Polymarket · $0 in 24h on Polymarket · settles Mar 31, 2027
Busiest: Matt Olson 2%
Can you trade MLB contracts from your state?
Sports contracts are the contested part of this market. States with an action against sports contracts on record (19): Arizona, California, Connecticut, Iowa, Illinois, Kentucky, Massachusetts, Maryland, Michigan, Minnesota, Missouri, Nevada, New York, Ohio, Rhode Island, Tennessee, Utah, Washington, Wisconsin. Check your state
The apps that list MLB contracts differ on fees, markets and states. Our ranking of the best sports prediction market apps compares them on the same checklist.
Common questions
Can you trade MLB games on prediction markets?
Yes, on venues that list sports contracts: each game is a Yes/No contract on the winner. Whether you can trade them depends on your state: 19 states have acted against sports contracts specifically.
Where do MLB odds on this page come from?
From the order books of Polymarket, Polymarket US and Kalshi. A game more than one lists shows the favourite at the consensus of their prices (the average of each venue’s) and links to a page with them side by side; a game one venue lists links to that venue’s page.