TOTAL VOLUME:

$41.6b

24H VOL:

$113,284,831

24H TRANSACTIONS:

2,858,735,640

OPEN INTEREST:

$1,620,345,032

79,029

Markets across

1,359

events

MATCHED EVENTS:

138

PLATFORM COVERAGE:

4

Polymarket:

45%

VS.

Kalshi:

55%

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Pro Baseball Champion
Breaking
kalshi

Pro Baseball Champion

Dec 17, 2025, 10:00 AM EST - Nov 1, 2026, 12:00 AM EST
Total volume:
$138,426,409
Volume 24h:
$91,063,211
12,056%
Liquidity:
N/AN/A
Open interest:
$91,834,133
0.08%

Milwaukee

 - Kalshi

Milwaukee - Kalshi

1W

News

Positive

Negative

Neutral

Hover marker for details

Vol.

·

Resolves Nov 1, 2026

Time left: 04d:17h:52m

Will Tampa Bay win the 2026 Pro Baseball Championship?

4%chance
Amount

$

Trade on
kalshi

Trade on Kalshi

Join Kalshi and score $25 for your first trade.At 4¢ buys you 2,500 shares | Odds: 4% Total Payout: $2,500 | Net Profit: $2,400 Multiplier: 25.00x | ROI: 2,400% APY not meaningful 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%
13%
Yes 96.1¢No 4.4¢
0.5¢
N/A
$13,570,341
5%
N/A
$6,465,970
4d 17h 52m
active
kalshi

Tampa Bay

Breaking
Trade
4%
12%
Yes 4¢No 96.2¢
0.2¢
N/A
$10,006,499
10%
N/A
$4,981,712
4d 17h 52m
active
kalshi

Houston

View
0%
Yes 0¢No 100¢
—
N/A
$16,826,610
N/A
N/A
$15,589,143
4d 17h 52m
No
kalshi

Los Angeles D

View
0%
Yes 0¢No 100¢
—
N/A
$11,723,103
N/A
N/A
$5,910,459
4d 17h 52m
No
kalshi

San Diego

View
0%
Yes 0¢No 100¢
—
N/A
$8,258,213
N/A
N/A
$5,615,193
4d 17h 52m
No
kalshi

Cleveland

View
0%
Yes 0¢No 100¢
—
N/A
$7,370,478
N/A
N/A
$4,141,629
4d 17h 52m
No
kalshi

New York Y

View
0%
Yes 0¢No 100¢
—
N/A
$6,637,480
N/A
N/A
$3,605,484
4d 17h 52m
No
kalshi

Chicago WS

View
0%
Yes 0¢No 100¢
—
N/A
$6,586,022
N/A
N/A
$4,226,941
4d 17h 52m
No
kalshi

Atlanta

View
0%
Yes 0¢No 100¢
—
N/A
$5,726,645
N/A
N/A
$3,637,337
4d 17h 52m
No
kalshi

Boston

View
0%
Yes 0¢No 100¢
—
N/A
$5,452,648
N/A
N/A
$3,386,338
4d 17h 52m
No
kalshi

Philadelphia

View
0%
Yes 0¢No 100¢
—
N/A
$4,768,711
N/A
N/A
$3,033,263
4d 17h 52m
No
kalshi

Chicago C

View
0%
Yes 0¢No 100¢
—
N/A
$4,121,032
N/A
N/A
$2,690,517
4d 17h 52m
No
kalshi

Seattle

View
0%
Yes 0¢No 100¢
—
N/A
$3,660,936
N/A
N/A
$2,450,556
4d 17h 52m
No
kalshi

Arizona

View
0%
Yes 0¢No 100¢
—
N/A
$3,034,492
N/A
N/A
$2,108,911
4d 17h 52m
No
kalshi

Baltimore

View
0%
Yes 0¢No 100¢
—
N/A
$2,650,316
N/A
N/A
$1,636,430
4d 17h 52m
No
kalshi

Texas

View
0%
Yes 0¢No 100¢
—
N/A
$2,635,374
N/A
N/A
$1,668,097
4d 17h 52m
No
kalshi

Pittsburgh

View
0%
Yes 0¢No 100¢
—
N/A
$2,580,605
N/A
N/A
$1,957,787
4d 17h 52m
No
kalshi

St. Louis

View
0%
Yes 0¢No 100¢
—
N/A
$2,440,324
N/A
N/A
$2,019,100
4d 17h 52m
No
kalshi

Toronto

View
0%
Yes 0¢No 100¢
—
N/A
$2,420,329
N/A
N/A
$1,856,020
4d 17h 52m
No
kalshi

Miami

View
0%
Yes 0¢No 100¢
—
N/A
$2,402,956
N/A
N/A
$1,924,628
4d 17h 52m
No
kalshi

Detroit

View
0%
Yes 0¢No 100¢
—
N/A
$2,344,612
N/A
N/A
$1,721,165
4d 17h 52m
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 52m
No
kalshi

Minnesota

View
0%
Yes 0¢No 100¢
—
N/A
$1,919,052
N/A
N/A
$1,338,346
4d 17h 52m
No
kalshi

Washington

View
0%
Yes 0¢No 100¢
—
N/A
$1,742,043
N/A
N/A
$1,424,564
4d 17h 52m
No
kalshi

Kansas City

View
0%
Yes 0¢No 100¢
—
N/A
$1,402,361
N/A
N/A
$1,316,860
4d 17h 52m
No
Total markets: 25 of 30

Description

The 2026 Pro Baseball Championship, also known as the World Series, is the ultimate championship of Major League Baseball. The winner is determined after the American League and National League champions compete in the championship series.

Kalshi

Each team's championship victory triggers a Yes resolution for its corresponding market. The event resolves based on which team wins the 2026 Pro Baseball Championship, with exactly one team ultimately claiming the title.