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MLB World Series Champion 2026 odds

Polymarket traders make Milwaukee Brewers the favorite for “MLB World Series Champion 2026” at 84% (+11 pts in the last 24 hours), ahead of Tampa Bay Rays at 16%.

Prices refresh every few minutes. Probabilities are not predictions or advice, and you can lose what you trade.

Probability over the last 30 days

The top 2 outcomes right now.

Sep 26Oct 25
Milwaukee BrewersTampa Bay Rays

All 2 outcomes and their odds

Probability is the share price. Decimal odds show what $1 returns if that outcome wins, before fees. American odds show the same price as a moneyline: +150 pays $150 on a $100 stake, −200 needs $200 to win $100.

Odds as of

Where this market stands

“MLB World Series Champion 2026” is a Polymarket event with 2 open outcomes. Milwaukee Brewers leads at 84%, ahead of Tampa Bay Rays at 16%. Milwaukee Brewers is up 11 points over the last 24 hours and up 21 points over the past week. Traders have put $46M through the event so far, including $123K in the last 24 hours, and it is scheduled to end on October 31, 2026.

Whale trades in this market

The latest trades of $1,000 or more on this event, newest first.

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How this market resolves

This market will resolve according to the team that wins the 2026 MLB World Series.

If at any point it becomes impossible for a listed team to win the 2026 MLB World Series per the rules of MLB (e.g., they are eliminated in the playoffs), the corresponding market will resolve to “No”.

If the 2026 MLB season is cancelled, postponed after December 31, 2026 ET, or there is otherwise no winner declared within that timeframe, this market will resolve to “Other”.

The primary resolution source will be official information from MLB (https://www.mlb.com/); however, a consensus of credible reporting may also be used.

Rules are written by Polymarket and shown as published. WhaleSays does not settle markets.

Common questions

New to this? Our guide covers how to make your first trade.

Who is the favorite in MLB World Series Champion 2026?
Milwaukee Brewers is the favorite at 84%, followed by Tampa Bay Rays at 16%. Prices are the market's implied probabilities and update as traders buy and sell.
Will the Milwaukee Brewers win the 2026 World Series?
Polymarket traders give Milwaukee Brewers a 84% chance, which is decimal odds of 1.20 (American −512): $1 staked on Milwaukee Brewers returns about $1.20 if it resolves Yes, before fees. In the last 24 hours the price moved up 11 points.