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 15, 12:49 AM EST
Kalshi
The outcome depends on whether the baseball match between Miami and Arizona, set for September 14, extends beyond the standard nine innings. This can happen due to the score being tied after the ninth inning, requiring players to continue competing until one team takes the lead.
If at least 1 extra inning is played in the Miami vs Arizona professional baseball game originally scheduled for Sep 14, 2026 at 9:40 PM EDT, then the market resolves to Yes.
Typically, prediction market odds reflect a different kind of wisdom than sportsbook odds. Sportsbooks often set lines to balance action and incorporate a profit margin, while this market aggregates the beliefs of a diverse group of traders. This can lead to differences in probabilities assigned to various outcomes. Often, prediction markets are seen as more accurate forecasters of event outcomes, as they incentivize participants to reveal their true beliefs. However, sportsbook odds are readily available and provide a useful benchmark for comparison.
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 current assessment of the probability of that outcome occurring. As more traders participate, the prices adjust to reflect the collective intelligence of the crowd. On Kalshi, prices reflect that venue's order book, liquidity, and how traders price the outcome right now. The price movements are driven by supply and demand, with higher demand pushing prices up and lower demand pushing them down, ultimately determining the implied probabilities visible on the dashboard.
This market resolves around Sep 15, 2026, with the outcome confirmed once the event is verifiable from credible public reporting. The resolution will be based on the official result of the Miami vs Arizona game, specifically whether extra innings were played. The platform will verify the result against trusted sources to ensure accuracy and finalize the market settlement. Traders holding contracts corresponding to the correct outcome will receive a payout, while those holding contracts on incorrect outcomes will not.
Several signals could influence this market before its resolution. Any news regarding player injuries, changes in weather conditions, or significant shifts in team performance could all impact trader sentiment. Unexpected announcements about starting pitchers or key lineup changes would likely cause price adjustments. Furthermore, large volume trades from informed participants could also signal a change in expectations, leading to movements in the odds. Monitoring these factors can provide insights into potential shifts in this market’s pricing.