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: Jul 18, 5:04 PM EST
Kalshi
A professional baseball game between two teams is scheduled for July 18, 2026. The event in question is whether this matchup will require extra innings to determine a winner, rather than being decided during regulation play.
If Minnesota and Chicago C go to extra innings in the Minnesota vs Chicago C professional baseball game originally scheduled for Jul 18, 2026 at 2:20 PM EDT, then the market resolves to Yes.
Prediction market odds and sportsbook odds often diverge because they serve different purposes and operate under different constraints. Sportsbooks set lines to balance action and manage risk, while prediction markets aggregate trader beliefs through continuous price discovery. This market reflects what traders collectively believe will happen, unfiltered by profit margins or liability management. Comparing the two can reveal where public perception differs from professional oddsmaking, though both incorporate similar underlying information. Neither is inherently more accurate; they represent different mechanisms for pricing uncertainty.
On Kalshi, this market is priced through an order-book mechanism where traders buy and sell shares representing yes or no outcomes. On Kalshi, prices reflect that venue's order book, liquidity, and how traders price the outcome right now. Each share trades between $0 and $1, with the current price reflecting the collective probability estimate. Traders profit by correctly predicting whether extra innings will occur, incentivizing accurate pricing. The continuous auction format allows prices to adjust instantly as new information arrives, ensuring the market remains responsive to game developments and shifting expectations throughout the trading window.
This market resolves around Jul 18, 2026, once the game concludes and the outcome is verifiable from credible public sources. The resolution hinges on whether the contest extends into extra innings or concludes during regulation play. Traders holding the correct outcome receive their payout once the result is confirmed and the market officially settles. The timing aligns with standard game reporting, ensuring all necessary information is available before final determination.
Several factors can shift odds in this market before resolution. Game momentum, team performance trends, and injury updates influence trader expectations about whether the matchup will reach extra innings. Weather conditions, bullpen availability, and recent scoring patterns also drive repricing. Real-time game events—such as late-inning developments, close scores, or pitching changes—typically trigger sharp price movements as traders adjust their probability estimates. Breaking news about roster changes or player status can similarly impact market sentiment, making this an active trading environment through the final pitch.