Polymarket MLB: 2026 American League Champion odds
On Polymarket, the favourite is Tampa Bay Rays, at 37%. The market settles by Nov 30, 2026, and $21K traded in the last 24 hours. Each contract pays $1 if it is right, so 37¢ reads as a 37% 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: 3 questions compared ↓
Polymarket odds on every outcome
| Outcome | Chance | Yes price | 24h volume | |
|---|---|---|---|---|
| Tampa Bay Rays compare | 37% | 37¢ | $370 | Trade |
| New York Yankees compare | 24% | 24¢ | $10K | Trade |
| Chicago White Sox | 21% | 21¢ | $11K | Trade |
| Cleveland Guardians compare | 14% | 14¢ | $105 | Trade |
| Kansas City RoyalsFinal | 0% | 0¢ | $0 | |
| Houston AstrosFinal | 0% | 0¢ | $0 | |
| Los Angeles AngelsFinal | 0% | 0¢ | $0 | |
| Minnesota TwinsFinal | 0% | 0¢ | $0 | |
| AthleticsFinal | 0% | 0¢ | $0 | |
| Toronto Blue JaysFinal | 0% | 0¢ | $0 |
Show 5 more outcomes
| Outcome | Chance | Yes price | 24h volume | |
|---|---|---|---|---|
| Detroit TigersFinal | 0% | 0¢ | $0 | |
| Boston Red SoxFinal | 0% | 0¢ | $0 | |
| Baltimore OriolesFinal | 0% | 0¢ | $0 | |
| Seattle MarinersFinal | 0% | 0¢ | $0 | |
| Texas RangersFinal | 0% | 0¢ | $0 |
Chance is each outcome's Yes price on Polymarket. A Yes contract at 37¢ pays $1 if that outcome wins.
Polymarket vs Kalshi on these questions
The same questions on both venues. When the prices differ, the cheaper side costs you less for the same payout.
Will Tampa Bay Rays win the 2026 American League Championship Series?
| Venue | Yes | No | Fee | 24h volume | Liquidity | |
|---|---|---|---|---|---|---|
| Polymarket | 37¢cheapest to buy | 63¢ | 0.7¢ | $370 | $114K | Trade → |
| Kalshi | 38¢ | 62¢ | 1.6¢ | $18K | – | Trade → |
Will New York Yankees win the 2026 American League Championship Series?
| Venue | Yes | No | Fee | 24h volume | Liquidity | |
|---|---|---|---|---|---|---|
| Polymarket | 24¢cheapest to buy | 76¢ | 0.5¢ | $10K | $102K | Trade → |
| Kalshi | 26¢ | 74¢ | 1.3¢ | $235K | – | Trade → |
Will Cleveland Guardians win the 2026 American League Championship Series?
| Venue | Yes | No | Fee | 24h volume | Liquidity | |
|---|---|---|---|---|---|---|
| Polymarket | 14¢cheapest to buy | 86¢ | 0.4¢ | $105 | $91K | Trade → |
| Kalshi | 15¢ | 85¢ | 0.9¢ | $5K | – | 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 American League Championship Series.
If at any point it becomes impossible for a listed team to win the 2026 American League Championship Series per the rules of the MLB (e.g., they are eliminated in the playoffs), the corresponding market will resolve to “No”.
If the 2026 American League Championship Series is cancelled, postponed after November 30, 2026, 11:59 PM 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 Major League Baseball (https://www.mlb.com/); however, a consensus of credible reporting may also be used.
Scheduled resolution: Nov 30, 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, 37¢ for Tampa Bay Rays 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: 2026 American League Champion?
On Polymarket, the favourite is Tampa Bay Rays, at 37%. 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. The 3 questions both venues price are compared above, each with its own side-by-side page.
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.