Polymarket MLB World Series Champion 2026 odds
On Polymarket, the favourite is Milwaukee Brewers, at 84%. The market settles by Oct 31, 2026, and $124K traded in the last 24 hours. Each contract pays $1 if it is right, so 84¢ reads as an 84% chance. Kalshi lists it too, and we compare the two prices below.
Also on Kalshi: Kalshi's page
Polymarket · odds · updated
Also priced on Kalshi: compare both
Polymarket odds on every outcome
| Outcome | Chance | Yes price | 24h volume | |
|---|---|---|---|---|
| Milwaukee Brewers compare | 84% | 84¢ | $71K | Trade |
| Tampa Bay Rays | 16% | 16¢ | $53K | Trade |
| Chicago White SoxFinal | 0% | 0¢ | $0 | |
| Washington NationalsFinal | 0% | 0¢ | $0 | |
| Boston Red SoxFinal | 0% | 0¢ | $0 | |
| St. Louis CardinalsFinal | 0% | 0¢ | $0 | |
| Colorado RockiesFinal | 0% | 0¢ | $0 | |
| Miami MarlinsFinal | 0% | 0¢ | $0 | |
| Baltimore OriolesFinal | 0% | 0¢ | $0 | |
| Cleveland GuardiansFinal | 0% | 0¢ | $0 |
Show 20 more outcomes
| Outcome | Chance | Yes price | 24h volume | |
|---|---|---|---|---|
| Houston AstrosFinal | 0% | 0¢ | $0 | |
| San Diego PadresFinal | 0% | 0¢ | $0 | |
| Los Angeles AngelsFinal | 0% | 0¢ | $0 | |
| Cincinnati RedsFinal | 0% | 0¢ | $0 | |
| Atlanta BravesFinal | 0% | 0¢ | $0 | |
| San Francisco GiantsFinal | 0% | 0¢ | $0 | |
| Philadelphia PhilliesFinal | 0% | 0¢ | $0 | |
| Chicago CubsFinal | 0% | 0¢ | $0 | |
| Detroit TigersFinal | 0% | 0¢ | $0 | |
| Los Angeles DodgersFinal | 0% | 0¢ | $0 | |
| Kansas City RoyalsFinal | 0% | 0¢ | $0 | |
| Texas RangersFinal | 0% | 0¢ | $0 | |
| New York MetsFinal | 0% | 0¢ | $0 | |
| Seattle MarinersFinal | 0% | 0¢ | $0 | |
| Pittsburgh PiratesFinal | 0% | 0¢ | $0 | |
| Toronto Blue JaysFinal | 0% | 0¢ | $0 | |
| New York YankeesFinal | 0% | 0¢ | $0 | |
| Arizona DiamondbacksFinal | 0% | 0¢ | $0 | |
| Minnesota TwinsFinal | 0% | 0¢ | $0 | |
| AthleticsFinal | 0% | 0¢ | $0 |
Chance is each outcome's Yes price on Polymarket. A Yes contract at 84¢ pays $1 if that outcome wins.
Polymarket vs Kalshi on this question
The same question on both venues. When the prices differ, the cheaper side costs you less for the same payout.
| Venue | Yes | No | Fee | 24h volume | Liquidity | |
|---|---|---|---|---|---|---|
| PolymarketClose-only for US residents | 84¢ | 16¢ | 0.4¢ | $71K | $82K | Trade → |
| Kalshi$50 bonus | 84¢ | 16¢ | 0.9¢ | $424K | – | Trade → |
How the odds have moved
Polymarket's own series for the outcome the headline prices, from where its history starts; one venue, not a blend.
How this market resolves
Polymarket's own settlement wording, in full. This, not the headline, decides who gets paid.
Show the full rules
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.
Scheduled resolution: Oct 31, 2026.
How to trade this market on Polymarket
- Check your state first. Several states restrict sports contracts.
- Open a Polymarket account. Americans trade on Polymarket US. Our Polymarket review covers sign-up and payouts.
- Buy Yes or No at the price shown, 84¢ for Milwaukee Brewers right now. Each contract pays $1 if you are right.
- Sell any time before it settles, or hold to the result. Polymarket's fees apply to each trade.
CoinStats may earn a commission on links to venues. Prices are indicative and may differ when you trade.
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Common questions
What are the Polymarket odds on MLB World Series Champion 2026?
On Polymarket, the favourite is Milwaukee Brewers, at 84%. That is a market-implied probability, not a forecast, and it moves as traders buy and sell.
How does this market resolve?
By Polymarket's own settlement rules for this market. Two venues can word the same question differently and settle differently, so read them before you trade.
Is this question on Kalshi too?
Yes. Kalshi's page has its prices and rules. Our side-by-side page shows both prices and both venues' rules.
Can I trade this market in my state?
In most states, yes, on Polymarket US. Sports contracts are the exception: several states restrict them. Check your state first.
How accurate are Polymarket odds?
Often more accurate than polls, though never certain. A price of 70% should lose three times in ten. How accurate prediction markets are has the research.
What does it cost to trade on Polymarket?
A taker fee on most markets, largest near 50¢, and some categories charge nothing. Polymarket's fees has the detail.