TOTAL VOLUME:
$134.2b
24H VOL:
$130,522,377
24H TRANSACTIONS:
2,388,728,490
OPEN INTEREST:
$1,438,389,636
404,028
Markets across
30,214
events
MATCHED EVENTS:
2,681
PLATFORM COVERAGE:
5
Polymarket:
39%
VS.
Kalshi:
61%
Closed: Jul 30, 5:34 PM EST
Kalshi
The result hinges on whether the professional baseball contest between New York Y and Chicago WS, set for July 30, requires additional innings to determine a winner because the teams are level at the end of the ninth inning.
If New York Y and Chicago WS go to extra innings in the New York Y vs Chicago WS professional baseball game originally scheduled for Jul 30, 2026 at 2:10 PM EDT, then the market resolves to Yes.
On Kalshi, this market shows a different outlook than traditional sportsbooks. Prediction markets aggregate trader sentiment rather than relying on set odds, which can lead to tighter spreads and more dynamic pricing. Traders often see this as a leading indicator, sometimes moving ahead of sportsbook lines. The difference reflects how decentralized participants price uncertainty, especially for niche events like the extra innings market.
This market resolves around Jul 30, 2026, with the outcome confirmed once the event is verifiable from credible public reporting. The result is determined by whether the game lasts longer than the standard nine innings, and it is settled based on official game records and widely reported results.
Injuries, weather delays, or lineup changes could shift expectations for a longer game and affect this market. Key moments like pitcher performance or late-game scoring also play a role. As Jul 30, 2026 approaches, any update that changes the perceived likelihood of extended play — even rumors — may cause rapid price swings among traders on Kalshi.