TOTAL VOLUME:

$154.1b

24H VOL:

$172,394,893

24H TRANSACTIONS:

2,983,476,643

OPEN INTEREST:

$1,821,572,886

404,136

Markets across

40,075

events

MATCHED EVENTS:

4,369

PLATFORM COVERAGE:

5

Polymarket:

37%

VS.

Kalshi:

63%

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Pro Baseball ALCS Matchup
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What is the result of the ALCS matchup?

Volume:
$46,889

Tampa Bay vs Cleveland

 - Kalshi

Tampa Bay vs Cleveland - Kalshi

1W

News

Positive

Negative

Neutral

Hover marker for details

Vol.

·

Resolved Oct 13, 2026

Closed: Oct 13, 1:10 AM EST

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Kalshi

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Join Kalshi and score $25 for your first trade.
Outcome
Trade
Chance %
Price
Spread
Liquidity
Volume
24h
7d
Open Interest
Ends in
Result
kalshi

Tampa Bay vs Cleveland

View
100%
Yes 100¢No 0¢
—
N/A
$12,690
N/A
N/A
$7,521
Settled
Yes
kalshi

Tampa Bay vs Chicago WS

0%
Yes 0¢No 100¢
—
N/A
$13,986
N/A
N/A
$7,888
Settled
No
kalshi

New York Y vs Chicago WS

0%
1%
Yes 0¢No 100¢
—
N/A
$10,395
N/A
N/A
$6,190
Settled
No
kalshi

New York Y vs Cleveland

0%
1%
Yes 0¢No 100¢
—
N/A
$5,911
N/A
N/A
$4,131
Settled
No
kalshi

New York Y vs Houston

0%
Yes 0¢No 100¢
—
N/A
$1,463
N/A
N/A
$1,463
Settled
No
kalshi

Boston vs Chicago WS

0%
21%
Yes 0¢No 100¢
—
N/A
$926
N/A
N/A
$926
Settled
No
kalshi

Boston vs Houston

0%
Yes 0¢No 100¢
—
N/A
$641
N/A
N/A
$641
Settled
No
kalshi

Boston vs Cleveland

0%
12%
Yes 0¢No 100¢
—
N/A
$578
N/A
N/A
$578
Settled
No
kalshi

Tampa Bay vs Houston

0%
Yes 0¢No 100¢
—
N/A
$298
N/A
N/A
$298
Settled
No
Total markets: 9

Description

The American League Championship Series (ALCS) for the 2026 Pro Baseball season will determine which two teams advance to the World Series. Each market tracks a specific potential matchup between teams that have qualified for the ALCS.

Kalshi

Each market resolves to 'Yes' if the specified pair of teams is confirmed as the matchup in the 2026 Pro Baseball American League Championship Series (ALCS). Resolution occurs immediately when the two teams secure the right to play in the ALCS during that season, regardless of when the actual games are played. The markets are independent, and only the confirmed matchup at the qualification stage determines the outcome.

Frequently asked questions

On Kalshi, the dashboard for the ALCS matchup market tracks the current odds for each potential pairing, the price history of those odds over time, and the 24-hour trading volume. Currently, the volume is $2,210, and total volume to date is $46,889. This allows traders to see how sentiment is shifting and identify potential opportunities. The dashboard provides a real-time view of where the crowd believes the most likely matchup will be, offering a dynamic representation of predictions as they evolve.

Generally, prediction market odds tend to reflect a more accurate forecast of future events than traditional sportsbook odds, as they aggregate the wisdom of many individuals. Sportsbooks often incorporate a 'vig' or commission into their odds, while this market allows traders to directly bet against each other. However, sportsbook odds are readily available and widely publicized, serving as a common point of comparison for those new to prediction markets. Discrepancies can arise due to differing levels of information and analytical approaches, with this market potentially identifying undervalued or overvalued outcomes.

On Kalshi, this market is priced through a continuous order book where traders buy and sell contracts representing their beliefs about the likelihood of each ALCS matchup. The price of a contract reflects the probability of that outcome occurring, with higher prices indicating a greater perceived chance. On Kalshi, prices reflect that venue's order book, liquidity, and how traders price the outcome right now. Traders set the odds by placing bids and asks, and the market price fluctuates based on supply and demand. This dynamic pricing mechanism ensures that the market reflects the collective intelligence of all participants.

This market resolves around Oct 31, 2026, with the outcome confirmed once the official ALCS matchup is verifiable from credible public reporting. Resolution will be based on the teams that ultimately compete in the American League Championship Series, as determined by Major League Baseball. The market will settle to 100 for the correct matchup and 0 for all others. Traders should monitor official announcements from MLB to stay informed about the resolution process and ensure timely settlement of their contracts.

Several factors could significantly impact this market. Injuries to key players on potential playoff teams, unexpected performance shifts during the regular season, and even managerial decisions could all influence trader sentiment. News regarding pitching rotations, trade acquisitions, or changes in team strategy will likely cause fluctuations in the odds. Any significant development affecting the perceived strengths or weaknesses of the competing teams could lead to shifts in the ALCS matchup market, as traders adjust their predictions based on new information.