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Updated September 23, 2026 · 43 live markets · refreshed twice a day
As of September 23, 2026 at 15:42 UTC, Polymarket lists 43 live MLB markets with $126.3K traded in the last 24 hours. The most active is MLB World Series Champion 2026 (Los Angeles Dodgers 30.5%), followed by MLB: 2026 American League Champion (Tampa Bay Rays 30%), MLB: Runs Leader (Pete Crow-Armstrong 57%).
Baseball: the World Series winner, playoff races and MLB awards. Every live market on the topic is below, with the leading outcome's probability, its 24-hour change, trading volume and end date.
| Market | Leading outcome | 24h change | 24h volume | Ends |
|---|---|---|---|---|
| MLB World Series Champion 2026 | Los Angeles Dodgers 30.5% | — | $81.7K | Oct 31, 2026 |
| MLB: 2026 American League Champion | Tampa Bay Rays 30% | +2.0 pts | $10.2K | Nov 1, 2026 |
| MLB: Runs Leader | Pete Crow-Armstrong 57% | — | $4.5K | Oct 16, 2026 |
| MLB: 2026 National League Champion | Los Angeles Dodgers 41% | -0.5 pts | $3.3K | Nov 1, 2026 |
| MLB: Team to make postseason | Chicago Cubs 98.7% | -0.1 pts | $2.8K | Sep 28, 2026 |
| MLB: NL Manager of the Year | Pat Murphy 82.8% | +4.0 pts | $2.2K | Jan 1, 2027 |
| MLB: AL Rookie of the Year | Kevin McGonigle 91% | +1.0 pts | $2.1K | Jan 1, 2027 |
| MLB: 2026 AL West Champion | Houston Astros 66% | +26.5 pts | $1.9K | Nov 1, 2026 |
| MLB: 2026 AL Hank Aaron Winner | Yordan Alvarez 96.6% | -0.7 pts | $1.5K | Jan 1, 2027 |
| MLB: ERA Leader | Jacob Misiorowski 87.5% | — | $1.4K | Oct 16, 2026 |
| MLB: Doubles Leader | Bryan Reynolds 92.5% | +16.1 pts | $1.4K | Oct 16, 2026 |
| MLB: 2026 NL Hank Aaron Winner | Pete Crow-Armstrong 96.7% | -0.1 pts | $1.2K | Jan 1, 2027 |
| MLB: Player to Hit 50+ Home Runs | Kyle Schwarber 4.5% | -2.5 pts | $1.1K | Oct 12, 2026 |
| MLB: 2026 AL Central Champion | Cleveland Guardians 50.5% | -1.0 pts | $1.1K | Oct 11, 2026 |
| MLB: Strikeouts Leader - Pitcher | Jacob Misiorowski 62.7% | -8.3 pts | $876 | Oct 16, 2026 |
| MLB: Home Runs Leader | Kyle Schwarber 52.5% | — | $785 | Oct 16, 2026 |
| MLB: Player to Record Most Intentional Walks? | Yordan Alvarez 99.5% | +0.4 pts | $746 | Oct 16, 2026 |
| MLB: NL Rookie of the Year | Sal Stewart 93% | +1.0 pts | $721 | Jan 1, 2027 |
| MLB Wins Leader (2026) | Cristopher Sánchez 81.5% | +2.0 pts | $687 | Oct 12, 2026 |
| NPB Japan Series Champion (2026) | Fukuoka SoftBank Hawks 56.5% | -1.0 pts | $571 | Nov 1, 2026 |
| MLB: AL Manager of the Year | Will Venable 64.5% | +3.9 pts | $565 | Jan 1, 2027 |
| MLB: 2026 Regular Season Win Totals | Boston Red Sox 80.5% | — | $564 | Oct 5, 2026 |
| MLB: 2026 AL MVP | Yordan Alvarez 92.2% | +1.2 pts | $511 | Jan 1, 2027 |
| MLB: 2026 WAR Leader | Pete Crow-Armstrong 99.7% | — | $470 | Oct 12, 2026 |
| MLB: Team to win 100+ games | Milwaukee Brewers 88.5% | — | $384 | Oct 12, 2026 |
| MLB: Batting Average Leader | Luis Arraez 47.5% | +4.0 pts | $335 | Oct 16, 2026 |
| MLB: Stolen Bases Leader | Nasim Nuñez 63% | +37.5 pts | $305 | Oct 16, 2026 |
| KBO Korean Series Champion (2026) | LG Twins 45% | +30.0 pts | $305 | Dec 1, 2026 |
| MLB Playoffs: Team to advance to NLCS | Los Angeles Dodgers 42% | -19.5 pts | $284 | Oct 15, 2026 |
| MLB: 2026 NL MVP | Pete Crow-Armstrong 99% | -0.1 pts | $260 | Jan 1, 2027 |
| MLB: Next Phillies Manager | Alex Cora 31.4% | +5.6 pts | $259 | Feb 1, 2027 |
| MLB Playoffs: Team to advance to ALDS | Cleveland Guardians 67% | +8.0 pts | $258 | Oct 5, 2026 |
| MLB: RBIs Leader | Alec Burleson 52.5% | — | $205 | Oct 16, 2026 |
| Will Yordan Alvarez win Triple Crown? | Yes 40.1% | +35.6 pts | $161 | Sep 28, 2026 |
| MLB: Triples Leader | Corbin Carroll 99.2% | +0.8 pts | $156 | Oct 16, 2026 |
| MLB: NL Platinum Glove Winner | Pete Crow-Armstrong 94.5% | -0.8 pts | $150 | Jan 1, 2027 |
| MLB: Most Home Runs (Team) | New York Yankees 46.5% | -2.5 pts | $114 | Oct 12, 2026 |
| MLB Playoffs: Team to advance to NLDS | Los Angeles Dodgers 97.9% | -0.1 pts | $104 | Oct 5, 2026 |
| MLB: Outstanding DH Winner | Yordan Alvarez 90% | +0.5 pts | $71 | Jan 1, 2027 |
| Will Pete Crow-Armstrong join the 40-40 club during the 2026 MLB regular season? | Yes 73% | +47.5 pts | $40 | Oct 11, 2026 |
3 smaller markets are not shown; all 43 are in the JSON data.
For multi-outcome markets the leading outcome is the one with the highest price; for yes/no markets it is the YES price. Prices are Polymarket share prices read as probabilities, not executable quotes.
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NFL (88) · NBA (33) · NHL (5) · College Football (30) · Soccer (22) · Premier League (17) · Champions League (16) · Golf (7) · Formula 1 (8) · UFC (30) · Esports (73)
As of September 23, 2026 at 15:42 UTC, Polymarket lists 43 live MLB markets with $126.3K traded in the last 24 hours. The most active is MLB World Series Champion 2026 (Los Angeles Dodgers 30.5%), followed by MLB: 2026 American League Champion (Tampa Bay Rays 30%), MLB: Runs Leader (Pete Crow-Armstrong 57%).
43 live markets as of September 23, 2026, not counting single games and markets that close within a few hours. The table lists them by 24-hour trading volume and refreshes twice a day.
From Polymarket's public market data. Each probability is the displayed price of an outcome's YES share, so 60¢ reads as roughly a 60% chance. Polymarket View is independent and not affiliated with Polymarket; nothing here is financial advice.
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<iframe src="https://polymarkettrader.com/embed/topic/mlb/" width="100%" height="280" style="border:0;max-width:560px" loading="lazy" title="MLB odds on Polymarket"></iframe> <p><a href="https://polymarkettrader.com/odds/mlb/">MLB odds</a> via <a href="https://polymarkettrader.com/">PolymarketTrader</a></p>
/api/v1/topics/mlb.json — every live market on the topic, CC BY 4.0 (credit “PolymarketTrader” with a link). See the developer docs.
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