TOTAL VOLUME:

$142.3b

24H VOL:

$107,419,736

24H TRANSACTIONS:

2,643,541,936

OPEN INTEREST:

$1,594,026,835

471,138

Markets across

35,775

events

MATCHED EVENTS:

2,926

PLATFORM COVERAGE:

5

Polymarket:

38%

VS.

Kalshi:

62%

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Pro Baseball Champion
kalshi

Pro Baseball Champion

Dec 17, 2025, 10:00 AM EST - Nov 1, 2026, 12:00 AM EST
Total volume:
$126,506,471
Volume 24h:
$4,584,766
73%
Liquidity:
N/AN/A
Open interest:
$88,003,621
3%

Milwaukee

 - Kalshi

Milwaukee - Kalshi

1W

News

Positive

Negative

Neutral

Hover marker for details

Vol.

·

Resolves Nov 1, 2026

Time left: 17d:00h:10m

Will Milwaukee win the 2026 Pro Baseball Championship?

58%chance
Amount

$

Trade on
kalshi

Trade on Kalshi

Join Kalshi and score $25 for your first trade.At 58.4¢ buys you 171 shares | Odds: 58% Total Payout: $171 | Net Profit: $71 Multiplier: 1.71x | ROI: 71% APY not meaningful 17 days to resolution
You will be redirected to the platform to complete this trade.
Outcome
Trade
Chance %
Price
Spread
Liquidity
Volume
24h
7d
Open Interest
Ends in
Result
kalshi

Milwaukee

Trade
58%
14%
Yes 58.4¢No 42.4¢
0.8¢
N/A
$8,862,806
4%
25%
$5,143,510
2w 3d
active
kalshi

Tampa Bay

Trade
22%
1%
Yes 22¢No 78.1¢
0.1¢
N/A
$5,398,257
2%
24%
$3,607,627
2w 3d
active
kalshi

Cleveland

Trade
14%
1%
Yes 13.9¢No 86.5¢
0.4¢
N/A
$5,971,131
2%
45%
$3,566,258
2w 3d
active
kalshi

Los Angeles D

Trade
6%
15%
Yes 6.3¢No 93.8¢
0.1¢
N/A
$10,518,289
8%
32%
$5,351,863
2w 3d
active
kalshi

Houston

View
0%
2%
Yes 0¢No 100¢
100¢
N/A
$16,826,610
N/A
N/A
$15,589,143
2w 3d
No
kalshi

San Diego

View
0%
7%
Yes 0¢No 100¢
100¢
N/A
$8,258,213
N/A
N/A
$5,615,193
2w 3d
No
kalshi

New York Y

View
0%
4%
Yes 0¢No 100¢
100¢
N/A
$6,637,480
N/A
N/A
$3,605,484
2w 3d
No
kalshi

Chicago WS

View
0%
5%
Yes 0¢No 100¢
100¢
N/A
$6,586,022
N/A
N/A
$4,226,941
2w 3d
No
kalshi

Atlanta

View
0%
4%
Yes 0¢No 100¢
100¢
N/A
$5,726,645
N/A
N/A
$3,637,337
2w 3d
No
kalshi

Boston

View
0%
2%
Yes 0¢No 100¢
100¢
N/A
$5,452,648
N/A
N/A
$3,386,338
2w 3d
No
kalshi

Philadelphia

View
0%
5%
Yes 0¢No 100¢
100¢
N/A
$4,768,711
N/A
N/A
$3,033,263
2w 3d
No
kalshi

Chicago C

View
0%
2%
Yes 0¢No 100¢
100¢
N/A
$4,121,032
N/A
N/A
$2,690,517
2w 3d
No
kalshi

Seattle

View
0%
Yes 0¢No 100¢
100¢
N/A
$3,660,936
N/A
N/A
$2,450,556
2w 3d
No
kalshi

Arizona

View
0%
2%
Yes 0¢No 100¢
100¢
N/A
$3,034,492
N/A
N/A
$2,108,911
2w 3d
No
kalshi

Baltimore

View
0%
Yes 0¢No 100¢
100¢
N/A
$2,650,316
N/A
N/A
$1,636,430
2w 3d
No
kalshi

Texas

View
0%
1%
Yes 0¢No 100¢
100¢
N/A
$2,635,374
N/A
N/A
$1,668,097
2w 3d
No
kalshi

Pittsburgh

View
0%
Yes 0¢No 100¢
100¢
N/A
$2,580,605
N/A
N/A
$1,957,787
2w 3d
No
kalshi

St. Louis

View
0%
Yes 0¢No 100¢
100¢
N/A
$2,440,324
N/A
N/A
$2,019,100
2w 3d
No
kalshi

Toronto

View
0%
Yes 0¢No 100¢
100¢
N/A
$2,420,329
N/A
N/A
$1,856,020
2w 3d
No
kalshi

Miami

View
0%
Yes 0¢No 100¢
100¢
N/A
$2,402,956
N/A
N/A
$1,924,628
2w 3d
No
kalshi

Detroit

View
0%
Yes 0¢No 100¢
100¢
N/A
$2,344,612
N/A
N/A
$1,721,165
2w 3d
No
kalshi

New York M

View
0%
Yes 0¢No 100¢
100¢
N/A
$2,181,374
N/A
N/A
$1,811,632
2w 3d
No
kalshi

Minnesota

View
0%
Yes 0¢No 100¢
100¢
N/A
$1,919,052
N/A
N/A
$1,338,346
2w 3d
No
kalshi

Washington

View
0%
Yes 0¢No 100¢
100¢
N/A
$1,742,043
N/A
N/A
$1,424,564
2w 3d
No
kalshi

Kansas City

View
0%
Yes 0¢No 100¢
100¢
N/A
$1,402,361
N/A
N/A
$1,316,860
2w 3d
No
Total markets: 25 of 30

Intro

This market tracks which professional baseball team will win the 2026 championship. Currently, Kalshi gives Milwaukee a 56.2% probability of winning, while Tampa Bay is at 20.9%. The market resolves based on whether Tampa Bay wins the 2026 Pro Baseball Championship, as determined by the championship outcome. Keep a close eye on the results of the American League Championship Series, scheduled to conclude by October 2026, as this will heavily influence the final outcome and market resolution.

Kalshi

The market resolves to Yes for whichever team wins the 2026 Pro Baseball Championship. Each team outcome is mutually exclusive—only the actual champion will resolve to Yes, while all other team outcomes resolve to No. Resolution is based on the official championship results as recognized by Major League Baseball.

Frequently asked questions

On Kalshi, the dashboard for the MLB championship market tracks the current odds for each team to win, the price history of those contracts, and the 24-hour trading volume. Currently, the total volume for this market is $126,506,471, with $1,390,476 traded in the last day. You can see how the probabilities shift as traders buy and sell contracts representing their beliefs about which team will ultimately be crowned champion. The dashboard provides a real-time view of market sentiment and allows you to analyze trading activity.

Typically, prediction market odds reflect a different set of information and incentives than those found at sportsbooks. Sportsbooks often incorporate a 'vig' or commission into their odds, while this market allows traders to directly assess probabilities. While there can be correlation, differences often emerge due to varying levels of information, differing opinions among participants, and the dynamic nature of trading. It’s common to see this market move independently of sportsbook lines, particularly as new information becomes available or public sentiment shifts. Examining both can provide a more comprehensive view.

This market resolves around Nov 1, 2026, with the outcome confirmed once the event is verifiable from credible public reporting. The team that wins the 2026 Pro Baseball Championship, as officially declared by Major League Baseball, will determine the winning contract. The resolution will be based on the official results and standings published by MLB. Trading will cease once the championship game concludes and the winner is officially announced, leading to the settlement of all outstanding contracts in this market.

Numerous factors could influence trading activity in this market. Player injuries, significant trades, team performance during the regular season, and even managerial changes can all impact perceived probabilities. Unexpected upsets in the playoffs, or strong performances from underdog teams, could also lead to substantial shifts in the market. Any news that alters the competitive landscape, or public perception of a team’s chances, is likely to be reflected in the price of contracts. Monitoring these events will be crucial for understanding how this market evolves.