TOTAL VOLUME:
$134.1b
24H VOL:
$141,541,542
24H TRANSACTIONS:
2,388,728,490
OPEN INTEREST:
$1,440,096,988
406,065
Markets across
30,522
events
MATCHED EVENTS:
2,692
PLATFORM COVERAGE:
5
Polymarket:
39%
VS.
Kalshi:
61%
Closed: Sep 24, 4:47 PM EST
Kalshi
An upcoming professional baseball game features two teams competing in a match originally scheduled for a specific date and time. The game will proceed under standard rules, with the potential for additional periods if needed to determine a winner. The focus is on whether the game will extend beyond the regular duration.
If at least 1 extra inning is played in the Chicago WS vs Kansas City professional baseball game originally scheduled for Sep 24, 2026 at 2:10 PM EDT, then the market resolves to Yes.
Typically, prediction market odds reflect the wisdom of the crowd and can differ from those offered by sportsbooks. Sportsbooks often set initial lines to balance action, while this market allows traders to freely adjust probabilities based on their own analysis and information. If there’s disagreement between the two, the prediction market may offer a more accurate forecast, especially as the event approaches and more information becomes available. It’s common to see discrepancies, particularly when new information emerges regarding team conditions or pitching matchups.
On Kalshi, this market is priced through a continuous auction mechanism. Traders buy and sell contracts representing the probability of extra innings occurring. As more people buy contracts indicating 'yes' to extra innings, the price of those contracts increases, and the implied probability rises. On Kalshi, prices reflect that venue's order book, liquidity, and how traders price the outcome right now. The price reflects the collective belief of all participants, creating a dynamic and real-time assessment of the event's likelihood. This contrasts with fixed-odds betting where the sportsbook sets the price upfront.
This market resolves around Sep 24, 2026, with the outcome confirmed once the event is verifiable from credible public reporting. Resolution will depend on whether the game officially goes into extra innings according to official MLB game records. The official game result, as reported by MLB, will be the determining factor. Any protests or appeals must be resolved by MLB before the market can be finalized. Traders should monitor official sources for the final game outcome.
Several factors could influence the price of this market. Late-breaking news regarding starting pitchers, such as injuries or unexpected changes, would likely have a significant impact. Weather forecasts, particularly the possibility of rain delays that could affect game length, are also important. Any news about key player availability or changes in batting lineups could also shift the probabilities. Finally, in-game developments during the game itself, such as strong pitching performances or offensive struggles, could lead to rapid price adjustments.