TOTAL VOLUME:

$134.2b

24H VOL:

$130,522,377

24H TRANSACTIONS:

2,388,728,490

OPEN INTEREST:

$1,438,389,636

404,028

Markets across

30,214

events

MATCHED EVENTS:

2,681

PLATFORM COVERAGE:

5

Polymarket:

39%

VS.

Kalshi:

61%

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A's vs Houston
kalshi

Who will win A's vs Houston?

Volume:
$1,174,879

Houston

 - Kalshi

Houston - Kalshi

1W

News

Positive

Negative

Neutral

Hover marker for details

Vol.

·

Resolved Aug 22, 2026

Closed: Aug 21, 11:09 PM EST

kalshi

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

Houston

View
100%
36%
Yes 100¢No 0¢
100¢
N/A
$646,671
N/A
N/A
$404,876
Settled
Yes
kalshi

A's

0%
37%
Yes 0¢No 100¢
100¢
N/A
$528,208
N/A
N/A
$333,222
Settled
No
Total markets: 2

Intro

This market on Kalshi tracks which team will win the professional baseball game between the A's and Houston, originally scheduled for August 21, 2026. The current probability of the leading outcome is 91.0%, with the second outcome at 10.0%. The resolution source is the game's result. Watch for the game on August 21, 2026, as this is the event that will determine the market outcome.

Kalshi

If A's wins the A's vs Houston professional baseball game originally scheduled for Aug 21, 2026 at 8:10 PM EDT, then the market resolves to Yes. If Houston wins the A's vs Houston professional baseball game originally scheduled for Aug 21, 2026 at 8:10 PM EDT, then the market resolves to Yes.

Frequently asked questions

Compared to traditional sportsbook odds, prediction market odds for this contest often reflect a broader range of outcomes and can react faster to new information. While sportsbooks may lag or weight certain results differently, this market lets traders bet on nuanced possibilities in real time. The current implied chances here can diverge noticeably from sportsbook lines, especially as game-specific developments — like pitching changes or weather updates — emerge.

On Kalshi, traders actively set the odds for the A's vs Houston matchup market through continuous bidding and asking. The current implied probability reflects collective expectations about which team will perform better when they face off. On Kalshi, prices reflect that venue's order book, liquidity, and how traders price the outcome right now. Price fluctuations occur as new game previews, player injuries, or weather conditions emerge, reshaping bettors' views on likely outcomes.

This market resolves around Aug 22, 2026, with the outcome confirmed once the event is verifiable from credible public reporting. The final result will reflect the on-field conclusion of the game, and the market will close immediately after official confirmation of the winning team.

In the coming weeks, key signals such as starting pitcher announcements, last-minute roster changes, and stadium weather forecasts could shift this market dramatically. Performance metrics from recent games involving both teams will also influence trader sentiment. As Aug 22, 2026 approaches, any last-second updates — even minor ones — may cause rapid price adjustments before the final outcome is locked in.