TOTAL VOLUME:

$134b

24H VOL:

$103,397,351

24H TRANSACTIONS:

2,388,728,490

OPEN INTEREST:

$1,410,176,180

399,592

Markets across

30,097

events

MATCHED EVENTS:

2,622

PLATFORM COVERAGE:

5

Polymarket:

39%

VS.

Kalshi:

61%

BETA
Dashboards
Tour
All
Sports
Boston vs A's: Extra Innings
opinion
kalshi

Boston vs A's: Extra Innings

Volume:
$5,799

Game goes to extra innings

 - Kalshi

Game goes to extra innings - Kalshi

1W

News

Positive

Negative

Neutral

Hover marker for details

Vol.

·

Resolved Jul 31, 2026

Closed: Jul 31, 12:09 AM EST

kalshi

Kalshi

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

Game goes to extra innings

View
0%
Yes 0¢No 100¢
100¢
N/A
$5,799
N/A
N/A
$4,610
Settled
No
opinion

Boston Red Sox vs Athletics

N/A
N/A
—
N/A
N/A
N/A
N/A
N/A
Settled
No
Total markets: 2

Description

This event group tracks two related markets for the MLB game between the Boston Red Sox and the Athletics scheduled for July 30, 2026. One market resolves based on which team wins the game, including extra innings, while the other resolves based on whether the game goes to extra innings.

PredictionHero - Resolution Divergence Alerts (RDA)

Divergence Detected

Issue: Scope Difference - One market resolves on game outcome, the other on extra innings occurrenceHero tip: Traders should be aware that these markets address different aspects of the same game and will resolve based on distinct criteria. Monitoring game progress and official MLB announcements is crucial for accurate settlement.

Critical divergence points:

  • Opinion: Resolves to the winning team (Boston Red Sox or Athletics) if the game concludes, with a 50-50 split for ties, cancellations, or no make-up games. Source: MLB official result.
  • Kalshi: Resolves to Yes if the game goes to extra innings, regardless of the final outcome. The market does not resolve based on which team wins.
Our PredictionHero Resolution Divergence Alerts (RDA) are there to help users identify potential differences across platforms. They do not replace or supersede the official rules and description of any prediction market. Users are solely responsible for reviewing and understanding the applicable rules and resolution criteria before placing any trade or bet. If you notice a potential inconsistency, discrepancy, or error in an alert, please report it to our team so we can review and improve the accuracy of our data.

Kalshi

If Boston and A's go to extra innings in the Boston vs A's professional baseball game originally scheduled for Jul 30, 2026 at 9:40 PM EDT, then the market resolves to Yes.

Opinion

In the upcoming MLB game, scheduled for 2026-07-30 01:40 UTC: If the Boston Red Sox win, the market will resolve to "Boston Red Sox". If the Athletics win, the market will resolve to "Athletics". The result will be determined based on the final score including any extra innings. If the game is postponed, this market will remain open until the game has been completed. If the game is canceled entirely, with no make-up game, or officially ends in a tie, this market will resolve 50-50. Resolution Source: https://www.mlb.com/ Note: Opinion will resolve strictly based on the first officially published result from the designated source. Any subsequent revisions will not affect this resolution.

Frequently asked questions

The dashboard for the extra innings market aggregates data from multiple venues, showing how traders across platforms price the likelihood of extra innings in this matchup. It displays total volume of $5,799 and 24-hour volume of $5,658, offering a consensus view of market sentiment through chance percentages and recent activity trends.

On Kalshi, this market is priced through trader activity, reflecting a unique outlook that can diverge from traditional sportsbook lines. Prediction markets often incorporate nuanced factors and real-time sentiment, while sportsbooks may weight different variables like historical performance. The gap between these odds can therefore vary widely, especially as game-specific news emerges.