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: Sep 25, 10:00 PM EST
Kalshi
Pittsburgh and Detroit will compete in a professional baseball contest scheduled for September 25, 2026. If the scores are level after the ninth inning and the game continues into extra innings, this event will be triggered. The determination rests on whether the game extends past the standard duration because of a tied stand after nine innings.
If at least 1 extra inning is played in the Pittsburgh vs Detroit professional baseball game originally scheduled for Sep 25, 2026 at 6:40 PM EDT, then the market resolves to Yes.
Typically, prediction market odds reflect the wisdom of the crowd and can sometimes differ from traditional sportsbook odds. 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. If many traders believe a sportsbook is undervaluing the chance of extra innings, they can buy contracts, driving up the price and effectively creating odds that diverge from those offered by sportsbooks. It's a dynamic comparison, and the difference can fluctuate as new information emerges.
On Kalshi, this market is priced through a continuous order book where traders buy and sell contracts representing the outcome of the game going to extra innings. The price of a contract represents the probability of that outcome occurring, scaled to a maximum of 100. As more people buy contracts predicting extra innings, 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 reflect the collective intelligence of all participants, constantly adjusting to new information and insights about the game.
This market resolves around Sep 26, 2026, with the outcome confirmed once the event is verifiable from credible public reporting. Specifically, the market will resolve based on whether the Pittsburgh versus Detroit game officially goes into extra innings according to official MLB game records. The final result will be determined by the official game statistics and verified against credible public sources, ensuring a transparent and accurate resolution process for all participants in this market.
Several factors could influence the price of contracts in this market. Any news regarding potential starting pitchers, weather conditions impacting the game, or injuries to key players could all shift trader sentiment. Unexpected lineup changes or in-game performance during the early innings could also cause significant price movement. Furthermore, general baseball news and analysis, as well as public perception of each team's chances, could also contribute to fluctuations in this market leading up to Sep 26, 2026.