TOTAL VOLUME:
$134.2b
24H VOL:
$126,324,530
24H TRANSACTIONS:
2,388,728,490
OPEN INTEREST:
$1,434,646,834
406,019
Markets across
30,401
events
MATCHED EVENTS:
2,689
PLATFORM COVERAGE:
5
Polymarket:
39%
VS.
Kalshi:
61%
Closed: Sep 22, 11:12 PM EST
Kalshi
The event refers to a professional baseball game between two teams. It will be determined whether the game extends beyond the standard nine innings. The focus is on whether additional innings are required to conclude the match.
If at least 1 extra inning is played in the Arizona vs Colorado professional baseball game originally scheduled for Sep 22, 2026 at 8:40 PM EDT, then the market resolves to Yes.
Prediction market odds often reflect the wisdom of the crowd, potentially differing from traditional sportsbook odds which can be influenced by factors like house bias or initial public perception. Sportsbooks set lines based on statistical models and expert analysis, while this market allows anyone to trade on their beliefs about the game’s outcome. It's common to see discrepancies emerge, especially as new information becomes available or public sentiment shifts regarding the Arizona vs Colorado game. Comparing the two can offer a more comprehensive view of the potential game outcome.
On Kalshi, this market is priced through a continuous order book where traders buy and sell contracts representing the probability of extra innings in the Arizona vs Colorado game. The price of a contract reflects the market’s collective belief – a higher price indicates a greater perceived chance of extra innings. On Kalshi, prices reflect that venue's order book, liquidity, and how traders price the outcome right now. Traders are incentivized to provide accurate predictions, as profitable traders are those who correctly assess the probability of the event occurring. This dynamic pricing mechanism ensures the market reflects the most up-to-date information and insights available.
This market resolves around Sep 23, 2026, with the outcome confirmed once the event is verifiable from credible public reporting. The resolution will depend on whether extra innings are played in the Arizona vs Colorado game. Official game results, as reported by major sports news outlets and official league sources, will be used to determine if the market resolves in favor of 'Yes' (extra innings played) or 'No' (no extra innings played). The final outcome is based on the official game record.
Several factors could influence trading activity in this market. Any news regarding potential pitching changes, key player injuries for either the Arizona or Colorado team, or even weather forecasts predicting rain delays could all cause the odds to shift. Significant betting action in traditional sportsbooks might also draw attention to this market, prompting traders to reassess their positions. Ultimately, any information that alters the perceived probability of the Arizona vs Colorado game going to extra innings has the potential to move this market.