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 4, 6:59 PM EST
Kalshi
In a Major League Baseball game between Washington and Philadelphia, if either team manages to score during the first inning, this event is triggered. The outcome depends purely on early-game offensive performance without any impact from later stages.
If either team scores a run in the first inning of the Washington vs Philadelphia professional baseball game originally scheduled for Aug 4, 2026 at 6:40 PM EDT, then the market resolves to Yes.
On Kalshi, traders in the first inning run market set odds based on their expectations for early-game performance. Sportsbook odds typically reflect broader public betting trends and professional handicapper insights. While both sources gauge the likelihood of a run being scored in the first inning, prediction market odds can shift more rapidly with new information or sentiment changes among participants. This market often shows tighter spreads and more granular probability assessments than traditional sportsbooks, reflecting the decentralized nature of trader-driven pricing.
On Kalshi, prices reflect that venue's order book, liquidity, and how traders price the outcome right now. On Kalshi, this market uses a continuous double auction where traders buy and sell contracts representing the chances of an outcome. The current top chance reflects the most recent consensus among participants. Market depth and liquidity, indicated by volume of $234,219, help determine tight spreads and responsive price adjustments. Traders react to new data such as starting pitcher performance, weather conditions, and recent team form, all of which influence the pricing dynamics unique to Kalshi.
This market resolves around Aug 5, 2026, with the outcome confirmed once the event is verifiable from credible public reporting. The result depends on whether either team scores in the first inning of the game, as officially recorded in the box score. Once the inning concludes and the score is reported by trusted sports news outlets and league databases, the market will settle accordingly, reflecting the actual game events.
Several signals could shift this market before resolution, including last-minute lineup changes, weather updates affecting game conditions, or early game performance in related matches that influence trader sentiment. News about starting pitchers, such as injuries or performance trends, may also impact expectations. As the game approaches, any shift in betting trends or analyst predictions could cause traders to adjust their positions, moving the odds in response to new information and changing perceptions of first-inning scoring potential.