TOTAL VOLUME:
$134.1b
24H VOL:
$113,466,932
24H TRANSACTIONS:
2,388,728,490
OPEN INTEREST:
$1,423,222,590
402,751
Markets across
30,217
events
MATCHED EVENTS:
2,632
PLATFORM COVERAGE:
5
Polymarket:
39%
VS.
Kalshi:
61%
Closed: Sep 26, 12:36 AM EST
Kalshi
The Houston versus Oakland Athletics baseball game scheduled for September 25 will extend beyond the standard nine innings if the score remains tied after those innings are completed.
If at least 1 extra inning is played in the Houston vs A's professional baseball game originally scheduled for Sep 25, 2026 at 9:40 PM EDT, then the market resolves to Yes.
Prediction market odds often reflect the collective wisdom of a diverse group of traders, potentially offering a different perspective than traditional sportsbooks. Sportsbooks set lines based on their own models and aim to balance action on both sides, while this market allows anyone to express their belief about the likelihood of extra innings. It’s common to see discrepancies, especially before significant events or when new information emerges, as the crowd’s assessment may differ from the sportsbook’s initial evaluation. Examining both can provide a more comprehensive view.
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 implied probability of that outcome occurring. As more traders buy contracts for a particular outcome, the price increases, and vice-versa. On Kalshi, prices reflect that venue's order book, liquidity, and how traders price the outcome right now. This dynamic pricing mechanism allows the market to quickly incorporate new information and adjust probabilities in real-time, driven entirely by supply and demand from participants.
This market resolves around Sep 26, 2026, with the outcome confirmed once the event is verifiable from credible public reporting. Resolution will depend on whether the Houston vs A's game officially goes to extra innings as determined by official game statistics. The final result will be based on the official game record and will be publicly available following the completion of the game. Traders will then be able to claim their winnings or adjust their positions based on the verified outcome.
Several factors could influence the price of this market. Any news regarding potential starting pitchers, weather forecasts impacting the game, or injuries to key players could all shift trader sentiment. Unexpected lineup changes or in-game performance during the early innings might also cause fluctuations. Furthermore, significant betting activity or large volume trades on Kalshi could also lead to price movements as traders react to new information or attempt to capitalize on perceived advantages.