League hub

MLB odds on prediction markets

2 MLB games this week, and the 12 busiest season-long markets are open on Polymarket, Polymarket US and Kalshi. 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

FixtureFavouriteStarts24h volume
Polymarket · Polymarket US · Kalshi
Tampa Bay Rays 52%Mon, Oct 26, 8:00pm ET$304KCompare
Polymarket · Polymarket US · Kalshi
Milwaukee Brewers 52%Tue, Oct 27, 8:00pm ET$24KCompare

Favourite: the side the venues price highest, at their consensus (the average of each venue's price). 24h volume: across the venues where more than one prices the game, else on the listed venue; Polymarket US publishes no 24-hour figure.

Season-long markets

Season-long, futures and props markets on MLB, busiest first: the 12 busiest of 36.

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.