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: Aug 5, 9:54 PM EST
Kalshi
This event focuses on the Chicago WS versus Boston baseball match set for August 5, 2026, determining if the game will extend beyond the usual nine innings. Extra innings are played when the score is level after the ninth inning, requiring teams to continue competing until one secures a decisive lead. The result hinges on the game's progress and any tied scores at the end of the ninth inning.
If Chicago WS and Boston go to extra innings in the Chicago WS vs Boston professional baseball game originally scheduled for Aug 5, 2026 at 7:10 PM EDT, then the market resolves to Yes.
Compared to traditional sportsbook odds, prediction market odds for this market often reflect a more nuanced outlook, incorporating real-time trader sentiment and detailed analysis. While sportsbooks may set lines based on broader public betting trends and historical data, this market allows participants to bet specifically on the probability of extra innings, often capturing subtler shifts in expectations as the game progresses.
On Kalshi, prices reflect that venue's order book, liquidity, and how traders price the outcome right now. On Kalshi, traders determine the price through continuous bidding and asking, with the current top outcome reflecting the aggregate expectations of all participants. The market’s price fluctuates based on new information, such as starting pitcher performance, weather conditions, or recent team trends. This dynamic pricing mechanism allows for rapid adjustments as the game nears its conclusion.
This market resolves around Aug 6, 2026, with the outcome confirmed once the event is verifiable from credible public reporting. The result is determined by whether the game goes beyond the ninth inning, as recorded by official league sources at the conclusion of play. No additional interpretation or external data is required beyond the publicly confirmed game result.
Several signals could shift this market before it resolves, including starting pitcher changes, weather delays, injuries sustained by key players, or strategic decisions by managers that affect game length. Additionally, momentum swings during early innings — such as long rallies or extra-base hits — may influence trader sentiment. Any development that meaningfully alters the perceived likelihood of extended play can cause rapid price adjustments.