TOTAL VOLUME:

$134.1b

24H VOL:

$113,466,932

24H TRANSACTIONS:

2,388,728,490

OPEN INTEREST:

$1,423,222,590

402,751

Markets across

30,217

events

MATCHED EVENTS:

2,632

PLATFORM COVERAGE:

5

Polymarket:

39%

VS.

Kalshi:

61%

BETA
Dashboards
Tour
All
Sports
Boston vs Baltimore: Extra Innings
kalshi

What is the result of Boston vs Baltimore?

Volume:
$166

Game goes to extra innings

 - Kalshi

Game goes to extra innings - Kalshi

1W

News

Positive

Negative

Neutral

Hover marker for details

Vol.

·

Resolved Sep 5, 2026

Closed: Sep 4, 9:44 PM 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%
11%
Yes 0¢No 100¢
100¢
N/A
$166
N/A
N/A
$152
Settled
No
Total markets: 1

Description

Boston and Baltimore will play a professional baseball game on September 4, 2026. If neither team holds a lead after the prescribed nine innings, the game will extend into extra innings until a decisive result is achieved.

Kalshi

If at least 1 extra inning is played in the Boston vs Baltimore professional baseball game originally scheduled for Sep 4, 2026 at 7:05 PM EDT, then the market resolves to Yes.

Frequently asked questions

On Kalshi, the dashboard for the Red Sox-Orioles extra innings market displays the current odds, price history, and 24-hour trading volume. You can see how the perceived probability of the event occurring has shifted over time through the price chart. The current 24-hour volume, which is $121, indicates the level of recent trading activity. Total volume for this market is currently $166. This provides a snapshot of how traders are positioning themselves ahead of the game.

Typically, prediction market odds reflect the wisdom of the crowd, often differing from initial sportsbook lines. Sportsbooks set odds based on their own models and aim to balance action on both sides, incorporating a profit margin. This market, however, is driven by individuals trading based on their own information and analysis. As more information becomes available – such as pitching matchups or weather forecasts – the odds on Kalshi may converge or diverge from sportsbook odds, potentially offering value to informed traders who identify discrepancies.

On Kalshi, this market is priced through a continuous order book where traders buy and sell contracts representing the probability of the event occurring. The price of a contract ranges from 0 to 100, representing a percentage chance. As more people buy contracts, the price increases, indicating a higher perceived probability. On Kalshi, prices reflect that venue's order book, liquidity, and how traders price the outcome right now. The market price reflects the collective assessment of all traders participating on Kalshi, creating a dynamic and real-time forecast of the outcome. This differs from traditional betting where odds are set by a single entity.

This market resolves around Sep 5, 2026, with the outcome confirmed once the event is verifiable from credible public reporting. Specifically, the market will resolve based on whether the Boston Red Sox and Baltimore Orioles game goes into extra innings. The official game results, as reported by a major sports data provider, will determine the final outcome. Traders will be able to see the resolution details on Kalshi once the outcome is officially verified, and any outstanding contracts will be settled accordingly.

Several factors could significantly influence this market. Any news regarding potential pitching changes for either the Red Sox or the Orioles, particularly if a key starter is ruled out, could shift the odds. Weather forecasts also play a role; conditions favorable to hitting could increase the likelihood of a higher-scoring game and potentially extra innings. Additionally, any late-breaking injury reports or lineup changes could impact trader sentiment and cause movement in the market. Monitoring these signals on Kalshi can help traders assess potential opportunities.