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%
Closed: Sep 22, 9:20 PM EST
Kalshi
In the Washington vs Detroit game on September 22, 2026, competitors and spectators will watch closely to see if the matchup remains deadlocked through the final scheduled inning. If scores are level after nine innings, the contest will proceed to extra innings, where teams continue to battle until a decisive ending is reached.
If at least 1 extra inning is played in the Washington vs Detroit professional baseball game originally scheduled for Sep 22, 2026 at 6:40 PM EDT, then the market resolves to Yes.
Generally, prediction market odds tend to reflect the wisdom of the crowd, often proving more accurate than traditional sportsbook odds, particularly when accounting for information not readily captured by bookmakers. Sportsbooks establish lines based on statistical models and expert analysis, while this market aggregates the insights of many individual traders. Discrepancies can arise due to differing information access, biases, or simply the dynamic nature of prediction markets responding to new information as it becomes available. It's common to see this market adjust rapidly to news impacting the game, potentially diverging from initial sportsbook lines.
On Kalshi, this market is priced using a continuous double auction. Traders buy and sell contracts representing whether or not extra innings will occur in the Washington vs Detroit game. The price of these contracts fluctuates based on supply and demand, with higher prices indicating a greater belief that extra innings will happen. On Kalshi, prices reflect that venue's order book, liquidity, and how traders price the outcome right now. The price reflects the probability that traders assign to the event, with contracts trading between 0 and 100, representing a 0% to 100% chance of extra innings. This dynamic pricing mechanism allows the market to quickly incorporate new information and adjust expectations.
This market resolves around Sep 23, 2026, with the outcome confirmed once the event is verifiable from credible public reporting. Resolution will be based on whether extra innings were officially played in the Washington vs Detroit game. Official game statistics from a recognized sports data provider will determine the final result. The market will settle to 100 if extra innings are played, and to 0 if the game concludes within the standard nine innings. The resolution process is designed to be objective and based on publicly available information.
Several factors could influence the price of this market. Any news regarding potential starting pitchers, significant player injuries, or changes in weather conditions could all impact trader sentiment. Unexpected lineup changes or reports of unfavorable playing conditions could increase the likelihood of a lower-scoring game, potentially decreasing the probability of extra innings. Furthermore, in-game events during the game itself, such as a close score or a high number of pitching changes, could also cause fluctuations in the market price as traders react to the unfolding situation.