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.
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
- 84%
Milwaukee Brewers84%24h +11 ptsOdds 1.20US −512Trade on Polymarket (affiliate link) - 16%
Tampa Bay Rays16%24h −11 ptsOdds 6.25US +525Trade on Polymarket (affiliate link)
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.

Serega38 sold Yes at 83%
Will the Milwaukee Brewers win the 2026 World Series?

0xa0f2…1848 sold Yes at 83%
Will the Milwaukee Brewers win the 2026 World Series?

0F62 bought Yes at 85%
Will the Milwaukee Brewers win the 2026 World Series?

0F62 bought No at 84%
Will the Tampa Bay Rays win the 2026 World Series?

LCB1 bought No at 84%
Will the Tampa Bay Rays win the 2026 World Series?

aaabbb sold Yes at 84%
Will the Milwaukee Brewers win the 2026 World Series?

aaabbb sold Yes at 84%
Will the Milwaukee Brewers win the 2026 World Series?

aaabbb sold Yes at 83%
Will the Milwaukee Brewers win the 2026 World Series?

Vegasol sold Yes at 82%
Will the Milwaukee Brewers win the 2026 World Series?

Vegasol sold Yes at 84%
Will the Milwaukee Brewers win the 2026 World Series?

ABC12345654321 bought Yes at 84%
Will the Milwaukee Brewers win the 2026 World Series?

Tender-Girl-Sticker bought Yes at 84%
Will the Milwaukee Brewers win the 2026 World Series?

0xa0f2…1848 bought Yes at 84%
Will the Milwaukee Brewers win the 2026 World Series?

0xa0f2…1848 bought Yes at 84%
Will the Milwaukee Brewers win the 2026 World Series?

omoi0i0 bought Yes at 84%
Will the Milwaukee Brewers win the 2026 World Series?

0F62 bought Yes at 73%
Will the Milwaukee Brewers win the 2026 World Series?

0F62 bought No at 73%
Will the Tampa Bay Rays win the 2026 World Series?

0F62 bought No at 73%
Will the Tampa Bay Rays win the 2026 World Series?

0F62 bought No at 73%
Will the Tampa Bay Rays win the 2026 World Series?

0F62 bought No at 73%
Will the Tampa Bay Rays win the 2026 World Series?

0F62 bought Yes at 73%
Will the Milwaukee Brewers win the 2026 World Series?

Cb94C437EA5e6f088c6c0C143c592ab8EFBed sold No at 72%
Will the Tampa Bay Rays win the 2026 World Series?

Cb94C437EA5e6f088c6c0C143c592ab8EFBed bought No at 73%
Will the Tampa Bay Rays win the 2026 World Series?

aaabbb sold Yes at 72%
Will the Milwaukee Brewers win the 2026 World Series?

Jjito bought Yes at 75%
Will the Milwaukee Brewers win the 2026 World Series?

0F62 bought Yes at 74%
Will the Milwaukee Brewers win the 2026 World Series?

hi774c bought Yes at 36%
Will the Tampa Bay Rays win the 2026 World Series?

Cb94C437EA5e6f088c6c0C143c592ab8EFBed sold Yes at 64%
Will the Milwaukee Brewers win the 2026 World Series?

0xa0f2…1848 bought Yes at 64%
Will the Milwaukee Brewers win the 2026 World Series?

Rewarding-Secretariat sold Yes at 35%
Will the Tampa Bay Rays win the 2026 World Series?
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.