TOTAL VOLUME:
$134.1b
24H VOL:
$133,388,117
24H TRANSACTIONS:
2,388,728,490
OPEN INTEREST:
$1,436,095,462
405,232
Markets across
30,526
events
MATCHED EVENTS:
2,693
PLATFORM COVERAGE:
5
Polymarket:
39%
VS.
Kalshi:
61%
Closed: Aug 17, 9:39 PM EST
Kalshi
The outcome depends on whether the San Diego and New York M baseball game scheduled for August 17, 2026, lasts long enough to require additional playing periods beyond the standard nine innings due to a tie score at the end of regulation.
If San Diego and New York M go to extra innings in the San Diego vs New York M professional baseball game originally scheduled for Aug 17, 2026 at 7:10 PM EDT, then the market resolves to Yes.
On Kalshi, this market reflects trader sentiment rather than traditional sportsbook lines. Prediction market odds often diverge from sportsbook odds due to different participant motivations and information sources. Traders may price in nuanced factors beyond win probabilities, such as weather conditions or player injuries. This can lead to variations in implied probabilities compared to standard sports betting lines. The difference provides a unique perspective on market expectations for the Extra Innings market.
On Kalshi, prices reflect that venue's order book, liquidity, and how traders price the outcome right now. On Kalshi, traders actively set prices through continuous trading. The current odds reflect the collective assessment of participants regarding the likelihood of extra innings in the matchup. Volume of $862 indicates market interest, while 24-hour volume of $851 shows recent activity levels. Prices adjust dynamically based on new information and trading patterns leading up to Aug 18, 2026.
This market resolves around Aug 18, 2026, with the outcome confirmed once the event is verifiable from credible public reporting. The result depends on whether the game goes into extra innings, as officially recorded by the league and reported by major sports news outlets.
Injuries to key pitchers, weather forecasts affecting game length, and lineup changes could all impact this market. Performance metrics from recent games may shift trader expectations. Any announcement about starting pitchers or game conditions has the potential to move prices. As Aug 18, 2026 approaches, updated information from team announcements and live game developments will continue to influence market dynamics.