TOTAL VOLUME:
$134.2b
24H VOL:
$129,159,707
24H TRANSACTIONS:
2,388,728,490
OPEN INTEREST:
$1,442,132,418
404,744
Markets across
30,489
events
MATCHED EVENTS:
2,691
PLATFORM COVERAGE:
5
Polymarket:
39%
VS.
Kalshi:
61%
Closed: Sep 23, 10:14 PM EST
Kalshi
In the matchup between Chicago White Sox and Kansas City on September 23, 2026, observers are keen to determine if the contest will require additional innings to produce a result. A tie after nine innings triggers extra innings, where teams continue to bat alternately until one team takes the lead at the end of an inning. The outcome hinges solely on whether this extended play unfolds.
If at least 1 extra inning is played in the Chicago WS vs Kansas City professional baseball game originally scheduled for Sep 23, 2026 at 7:40 PM EDT, then the market resolves to Yes.
Typically, prediction market odds reflect the wisdom of the crowd and can differ from traditional sportsbook odds. Sportsbooks often set initial lines based on statistical models and expert analysis, while this market incorporates a broader range of information and opinions from participants. If sportsbook odds suggest a strong favorite, this market might show a more nuanced view if traders believe there's a higher chance of an upset. It's common to see discrepancies, particularly as new information emerges or public sentiment shifts leading up to the event. Examining these differences can offer valuable insights into the overall expectations surrounding the game.
On Kalshi, this market is priced through a continuous order book where traders buy and sell contracts representing different outcomes. The price of each contract reflects the market’s collective assessment of the probability of that outcome occurring. On Kalshi, prices reflect that venue's order book, liquidity, and how traders price the outcome right now. As more traders participate and new information becomes available, the prices adjust dynamically, providing a real-time indication of the perceived likelihood of each result. The market’s depth – the number of buy and sell orders at various price points – also indicates the level of confidence traders have in their predictions. This creates a transparent and efficient mechanism for aggregating diverse perspectives.
This market resolves around Sep 24, 2026, with the outcome confirmed once the event is verifiable from credible public reporting. The resolution will be based on whether the game between the Chicago WS and Kansas City goes to extra innings. Official game results from reliable sports news sources will be used to determine the final outcome. Traders who correctly predicted whether the game will extend beyond the standard nine innings will receive a payout based on the final market price of their chosen contract at the time of resolution. The process is designed to be transparent and objective, relying on publicly available data.
Several factors could influence the price movement of this market. Any news regarding potential starting pitchers, key player injuries, or changes in weather conditions could significantly impact trader sentiment. Unexpected lineup announcements or reports of team morale issues could also cause shifts in the odds. Furthermore, broader trends in baseball analytics or public betting patterns might influence how traders assess the likelihood of the game going to extra innings. Monitoring these signals and staying informed about the teams involved is crucial for understanding potential market movements before Sep 24, 2026.