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 16, 11:04 PM EST
Kalshi
The Kansas City and Houston baseball teams will compete in a match scheduled for September 16, 2026. The outcome depends on whether the game lasts longer than the standard nine innings, requiring additional playtime to determine a winner.
If at least 1 extra inning is played in the Kansas City vs Houston professional baseball game originally scheduled for Sep 16, 2026 at 8:10 PM EDT, then the market resolves to Yes.
Typically, prediction market odds offer a distinct perspective compared to traditional sportsbook odds. Sportsbooks often incorporate a 'vig' or commission into their odds, which represents their profit margin. This market, driven by the collective intelligence of traders on Kalshi, tends to reflect a more pure assessment of probabilities. While sportsbooks may initially set odds based on statistical models and expert opinions, this market evolves as new information emerges and traders react to it. Discrepancies can arise due to differing opinions on factors influencing the game, such as player injuries or weather conditions.
On Kalshi, this market is priced through a continuous order book where traders buy and sell contracts representing their belief about whether extra innings will occur. The price of these contracts directly reflects the implied probability of that outcome. On Kalshi, prices reflect that venue's order book, liquidity, and how traders price the outcome right now. Traders set the odds by placing bids and asks, and the market price fluctuates based on supply and demand. As more traders believe extra innings are likely, the price of the 'yes' contract will increase, and vice versa. This dynamic pricing mechanism allows the market to quickly incorporate new information and adjust its predictions accordingly.
This market resolves around Sep 17, 2026, with the outcome confirmed once the event is verifiable from credible public reporting. Resolution will depend on whether the Kansas City versus Houston baseball game goes into extra innings, as determined by official game results. The official game log will serve as the basis for determining whether the market resolves in favor of extra innings or not. The outcome is based on the official result of the game, and any disputes will be resolved based on publicly available information.
Several factors could significantly influence this market before resolution. Any news regarding potential starting pitchers, including injuries or late scratches, would likely cause movement. Weather forecasts, particularly those predicting rain delays or strong winds, could also impact the odds. In-game events, such as early scoring or dominant pitching performances, might also shift trader sentiment. Unexpected lineup changes or reports of player illness could also contribute to price fluctuations. Monitoring these signals will be crucial for understanding how this market evolves leading up to the game’s conclusion.