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: Sep 10, 3:39 PM EST
Kalshi
An official baseball match between two teams was planned for a specific date and time. The game’s duration may extend beyond its regular schedule. The focus is on whether the contest will require additional playing time beyond the standard innings.
If at least 1 extra inning is played in the Houston vs Philadelphia professional baseball game originally scheduled for Sep 10, 2026 at 1:05 PM EDT, then the market resolves to Yes.
Often, prediction market odds offer a different perspective than those found at traditional sportsbooks. Sportsbooks set lines to balance action and incorporate a profit margin, while this market reflects the collective wisdom of traders who are incentivized to accurately predict the outcome. If sportsbook odds suggest a low probability of extra innings, but volume in this market indicates significant disagreement, it could signal an opportunity to find value. However, it's important to remember that both represent probabilities based on different methodologies and information sets.
On Kalshi, this market is priced using a continuous double auction. Traders buy and sell contracts representing the probability of extra innings, and the price of these contracts fluctuates based on supply and demand. As more traders believe extra innings are likely, the price of the 'Yes' contract increases, and vice versa. On Kalshi, prices reflect that venue's order book, liquidity, and how traders price the outcome right now. The platform facilitates this price discovery, allowing the market to aggregate information and reflect the collective forecast of participants. The current implied probability is determined by the price of the 'Yes' contract relative to 100.
This market resolves around Sep 10, 2026, with the outcome confirmed once the event is verifiable from credible public reporting. Resolution will depend on whether or not extra innings are played in the Houston versus Philadelphia game originally scheduled for that date. The official game results, as reported by Major League Baseball, will be used to determine whether the 'Yes' or 'No' outcome is triggered. Traders who correctly predicted the occurrence of extra innings will receive a payout based on the final market price.
Several factors could influence trading activity in this market. Any news regarding potential weather delays or changes to the game schedule could significantly impact the perceived likelihood of extra innings. Pitching matchups and the expected performance of key players could also drive price movements. Furthermore, late-breaking injury reports or changes in team strategy might lead traders to reassess their predictions. Monitoring these signals and analyzing their potential impact on the game’s length will be crucial for informed trading in this market.