TOTAL VOLUME:
$134b
24H VOL:
$107,351,958
24H TRANSACTIONS:
2,388,728,490
OPEN INTEREST:
$1,416,970,024
400,720
Markets across
30,097
events
MATCHED EVENTS:
2,633
PLATFORM COVERAGE:
5
Polymarket:
39%
VS.
Kalshi:
61%
Closed: Sep 24, 8:58 PM EST
Kalshi
The event refers to a professional baseball game where an extended playing period is required beyond the standard regulation time. This extension occurs when the game remains tied after the scheduled innings are completed. The outcome depends on whether the teams continue playing additional innings to determine a winner.
If at least 1 extra inning is played in the Milwaukee vs Philadelphia professional baseball game originally scheduled for Sep 24, 2026 at 6:05 PM EDT, then the market resolves to Yes.
Typically, prediction market odds reflect the wisdom of the crowd, often differing from initial sportsbook lines. Sportsbooks set odds based on statistical models and expert analysis, while this market incorporates the collective predictions of many individuals. As more information becomes available—such as starting pitcher announcements or weather forecasts—both sets of odds will adjust. However, prediction markets often become more accurate closer to the event, as traders continuously update their assessments based on new data. It’s common to see prediction market prices converge towards the eventual outcome as the game approaches.
On Kalshi, this market is priced through a continuous auction mechanism, where traders buy and sell contracts representing the probability of extra innings. The price of a contract directly reflects the market’s assessment of that probability; a higher price indicates a greater perceived chance of extra innings. On Kalshi, prices reflect that venue's order book, liquidity, and how traders price the outcome right now. Traders can take either the 'yes' or 'no' side, effectively betting on whether extra innings will occur. The market dynamically adjusts as traders place orders, creating a real-time probability estimate. This dynamic pricing allows for a fluid and responsive market reflecting the latest information.
This market resolves around Sep 25, 2026, with the outcome confirmed once the event is verifiable from credible public reporting. Resolution will depend on whether extra innings are played in the Milwaukee versus Philadelphia game. Official game results from sources like MLB.com will be used to determine if the game extended beyond the standard nine innings. The market will then settle based on whether extra innings occurred, with payouts determined by the final price of the contracts at resolution. Traders will be able to see the confirmed outcome and settlement details on Kalshi.
Several factors could influence the price of this market. Any news regarding potential starting pitchers, especially if a key pitcher is ruled out due to injury, could significantly shift the odds. Weather forecasts are also crucial; a rainy forecast might increase the likelihood of a game going to extra innings due to potential delays. Late-breaking news about player injuries or lineup changes could also impact trading activity. Finally, general public sentiment and any significant betting patterns observed on Kalshi could contribute to price movements as traders react to new information.