TOTAL VOLUME:
$134.1b
24H VOL:
$133,388,117
24H TRANSACTIONS:
2,388,728,490
OPEN INTEREST:
$1,436,095,462
405,232
Markets across
30,526
events
MATCHED EVENTS:
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PLATFORM COVERAGE:
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Polymarket:
39%
VS.
Kalshi:
61%
Closed: Sep 25, 8:15 PM EST
Kalshi
The Chicago Cubs face the Boston Red Sox in a major league baseball matchup scheduled for September 25, 2026. The event centers on whether the game will extend beyond the standard nine innings due to a tie score after regulation play. A resolution occurs if players compete in at least one extra inning.
If at least 1 extra inning is played in the Chicago C vs Boston professional baseball game originally scheduled for Sep 25, 2026 at 7:10 PM EDT, then the market resolves to Yes.
Prediction market odds often reflect the collective wisdom of a diverse group of traders, potentially offering a different perspective than traditional sportsbooks. Sportsbook odds are typically set by a small team of experts, while this market aggregates insights from many participants. It’s common to see discrepancies, especially before significant events or breaking news. These differences can stem from varying information access, analytical approaches, or simply differing opinions on the likelihood of an outcome. Examining both can provide a more well-rounded view.
On Kalshi, this market is priced through a continuous order book where traders buy and sell contracts representing different outcomes. The price of a contract reflects the market’s probability assessment of that outcome occurring. As more traders buy a contract, its 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 depth, or the volume of buy and sell orders at various price points, provides insight into the strength of conviction behind those probabilities. Traders are constantly adjusting their positions based on new information and their own analysis, leading to dynamic price fluctuations.
This market resolves around Sep 26, 2026, with the outcome confirmed once the event is verifiable from credible public reporting. Specifically, the resolution will be based on whether the game between Chicago and Boston goes into extra innings, as officially recorded by the league. The final result will be determined by official game statistics and verified against credible public sources. Traders who correctly predicted the outcome will be eligible for payout based on the final market prices at resolution.
Several factors could significantly impact this market. Any news regarding key player injuries or changes to the starting lineups for either Chicago or Boston would likely cause price movement. Weather forecasts, particularly if there’s a chance of rain delays, could also influence trading activity. In-game performance during the initial innings, such as strong pitching or early scoring, might prompt traders to adjust their predictions. Unexpected managerial decisions or shifts in momentum could also lead to changes in the probabilities reflected in this market.