TOTAL VOLUME:

$150.1b

24H VOL:

$142,857,652

24H TRANSACTIONS:

2,859,322,643

OPEN INTEREST:

$1,733,278,615

483,990

Markets across

35,811

events

MATCHED EVENTS:

3,349

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:
$138,426,996
Volume 24h:
$6,590,430
63%
Liquidity:
N/AN/A
Open interest:
$91,834,064
3%

Milwaukee

 - Kalshi

Milwaukee - Kalshi

1W

News

Positive

Negative

Neutral

Hover marker for details

Vol.

·

Resolves Nov 1, 2026

Time left: 04d:17h:49m

Will Milwaukee win the 2026 Pro Baseball Championship?

96%chance
Amount

$

Trade on
kalshi

Trade on Kalshi

Join Kalshi and score $25 for your first trade.At 96¢ buys you 104 shares | Odds: 96% Total Payout: $104 | Net Profit: $4 Multiplier: 1.04x | ROI: 4% High Projected APY: 1,860% 4 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
96%
12%
Yes 96¢No 4.3¢
0.3¢
N/A
$13,570,341
5%
27%
$6,465,970
4d 17h 49m
active
kalshi

Tampa Bay

Trade
4%
13%
Yes 4¢No 96.3¢
0.3¢
N/A
$10,007,086
10%
48%
$4,981,643
4d 17h 49m
active
kalshi

Houston

View
0%
2%
Yes 0¢No 100¢
—
N/A
$16,826,610
N/A
N/A
$15,589,143
4d 17h 49m
No
kalshi

Los Angeles D

View
0%
6%
Yes 0¢No 100¢
—
N/A
$11,723,103
N/A
N/A
$5,910,459
4d 17h 49m
No
kalshi

San Diego

View
0%
7%
Yes 0¢No 100¢
—
N/A
$8,258,213
N/A
N/A
$5,615,193
4d 17h 49m
No
kalshi

Cleveland

View
0%
6%
Yes 0¢No 100¢
—
N/A
$7,370,478
N/A
N/A
$4,141,629
4d 17h 49m
No
kalshi

New York Y

View
0%
4%
Yes 0¢No 100¢
—
N/A
$6,637,480
N/A
N/A
$3,605,484
4d 17h 49m
No
kalshi

Chicago WS

View
0%
5%
Yes 0¢No 100¢
—
N/A
$6,586,022
N/A
N/A
$4,226,941
4d 17h 49m
No
kalshi

Atlanta

View
0%
5%
Yes 0¢No 100¢
—
N/A
$5,726,645
N/A
N/A
$3,637,337
4d 17h 49m
No
kalshi

Boston

View
0%
2%
Yes 0¢No 100¢
—
N/A
$5,452,648
N/A
N/A
$3,386,338
4d 17h 49m
No
kalshi

Philadelphia

View
0%
5%
Yes 0¢No 100¢
—
N/A
$4,768,711
N/A
N/A
$3,033,263
4d 17h 49m
No
kalshi

Chicago C

View
0%
2%
Yes 0¢No 100¢
—
N/A
$4,121,032
N/A
N/A
$2,690,517
4d 17h 49m
No
kalshi

Seattle

View
0%
Yes 0¢No 100¢
—
N/A
$3,660,936
N/A
N/A
$2,450,556
4d 17h 49m
No
kalshi

Arizona

View
0%
2%
Yes 0¢No 100¢
—
N/A
$3,034,492
N/A
N/A
$2,108,911
4d 17h 49m
No
kalshi

Baltimore

View
0%
Yes 0¢No 100¢
—
N/A
$2,650,316
N/A
N/A
$1,636,430
4d 17h 49m
No
kalshi

Texas

View
0%
1%
Yes 0¢No 100¢
—
N/A
$2,635,374
N/A
N/A
$1,668,097
4d 17h 49m
No
kalshi

Pittsburgh

View
0%
Yes 0¢No 100¢
—
N/A
$2,580,605
N/A
N/A
$1,957,787
4d 17h 49m
No
kalshi

St. Louis

View
0%
Yes 0¢No 100¢
—
N/A
$2,440,324
N/A
N/A
$2,019,100
4d 17h 49m
No
kalshi

Toronto

View
0%
Yes 0¢No 100¢
—
N/A
$2,420,329
N/A
N/A
$1,856,020
4d 17h 49m
No
kalshi

Miami

View
0%
Yes 0¢No 100¢
—
N/A
$2,402,956
N/A
N/A
$1,924,628
4d 17h 49m
No
kalshi

Detroit

View
0%
Yes 0¢No 100¢
—
N/A
$2,344,612
N/A
N/A
$1,721,165
4d 17h 49m
No
kalshi

New York M

View
0%
Yes 0¢No 100¢
—
N/A
$2,181,374
N/A
N/A
$1,811,632
4d 17h 49m
No
kalshi

Minnesota

View
0%
Yes 0¢No 100¢
—
N/A
$1,919,052
N/A
N/A
$1,338,346
4d 17h 49m
No
kalshi

Washington

View
0%
Yes 0¢No 100¢
—
N/A
$1,742,043
N/A
N/A
$1,424,564
4d 17h 49m
No
kalshi

Kansas City

View
0%
Yes 0¢No 100¢
—
N/A
$1,402,361
N/A
N/A
$1,316,860
4d 17h 49m
No
Total markets: 25 of 30

Intro

This market tracks which team will win the 2026 Pro Baseball Championship. Currently, Kalshi gives Los Angeles D a 29.9% probability of winning, while Milwaukee is at 16.3%. The market resolves based on whether Tampa Bay wins the 2026 Pro Baseball Championship, as determined by the outcome of the championship series. Traders should closely watch the results of the World Series, scheduled to conclude around the resolution date of November 1, 2026, to see which team ultimately claims the title and settles this market.

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 $138,426,022, with $2,070,738 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.