TOTAL VOLUME:
$134b
24H VOL:
$107,351,958
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2,388,728,490
OPEN INTEREST:
$1,416,970,024
400,720
Markets across
30,097
events
MATCHED EVENTS:
2,633
PLATFORM COVERAGE:
5
Polymarket:
39%
VS.
Kalshi:
61%
Closed: Sep 13, 7:34 PM EST
Kalshi
In the Seattle vs A's game on September 13, 2026, observers will note whether the match requires additional playing time beyond the usual nine innings. The outcome hinges solely on whether the game is tied after the ninth inning, necessitating extra innings to determine a winner.
If at least 1 extra inning is played in the Seattle vs A's professional baseball game originally scheduled for Sep 13, 2026 at 4:05 PM EDT, then the market resolves to Yes.
Generally, 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 opinions, but may be influenced by factors like public betting patterns or a desire to balance their risk. This market, however, is driven entirely by individuals trading based on their own assessments of the likelihood of extra innings. As a result, the prices observed here may represent a different perspective than those found at sportsbooks, potentially offering a more accurate forecast of the game's outcome.
On Kalshi, this market is priced through a continuous auction mechanism, where traders buy and sell contracts representing their belief about whether the Seattle vs A's game will go to extra innings. The price of a contract directly corresponds to the implied probability of that outcome. As more traders buy contracts, the price increases, indicating a growing belief in extra innings. Conversely, selling contracts lowers the price. On Kalshi, prices reflect that venue's order book, liquidity, and how traders price the outcome right now. The market dynamically adjusts to reflect the collective intelligence of all participants, creating a real-time assessment of the event's likelihood.
This market resolves around Sep 13, 2026, with the outcome confirmed once the event is verifiable from credible public reporting. Resolution will depend on whether the Seattle vs A's game officially goes into extra innings as determined by the official game results. The market will settle to 100 if the game does go to extra innings, and 0 if it does not. Traders should monitor official sources for the final game results to understand the resolution of this market.
Several factors could influence trading activity in this market. Any news regarding potential starting pitchers, weather forecasts impacting playing conditions, or late-breaking injury reports for key players could all shift trader sentiment. Unexpectedly high or low scoring games leading up to the Seattle vs A's matchup might also influence expectations. Furthermore, in-game events during the game itself, such as a close score or strong pitching performances, could trigger significant price movements as traders react to the unfolding action and adjust their predictions.