TOTAL VOLUME:
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24H VOL:
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OPEN INTEREST:
$1,440,096,988
406,065
Markets across
30,522
events
MATCHED EVENTS:
2,692
PLATFORM COVERAGE:
5
Polymarket:
39%
VS.
Kalshi:
61%
Closed: Jul 19, 4:24 PM EST
Kalshi
In a professional baseball game between Washington and Oakland Athletics scheduled for July 19, 2026, this event tracks whether at least one run will be scored during the first inning by either team.
If either team scores a run in the first inning of the Washington vs A's professional baseball game originally scheduled for Jul 19, 2026 at 4:05 PM EDT, then the market resolves to Yes.
Prediction market odds and sportsbook odds often diverge because they reflect different participant bases and incentive structures. Sportsbooks set lines to balance liability and extract a margin, while prediction markets aggregate trader beliefs through continuous price discovery. This market may show materially different odds than traditional sportsbooks, particularly if one venue attracts sharper or more specialized bettors. Comparing the two can reveal where consensus is strongest or where informed traders see value. Neither is inherently more accurate, but the differences highlight how market structure shapes pricing.
On Kalshi, this market is priced through a continuous order-book mechanism where traders buy and sell contracts representing yes or no outcomes. On Kalshi, prices reflect that venue's order book, liquidity, and how traders price the outcome right now. The platform displays bid-ask spreads that tighten or widen based on trading volume and participant interest. Prices move in real time as new orders execute, reflecting updated expectations about whether a run scores in the first inning. Traders can enter limit or market orders to express their conviction, and the market price at any moment represents the marginal trade that just cleared.
This market resolves around Jul 19, 2026, once the Washington versus A's game concludes and the first-inning result is verifiable. The outcome is determined by whether at least one run crosses the plate during the opening inning, confirmed through credible public reporting of the final box score. Traders holding the winning contract receive their payout, while the losing side forfeits their stake. Resolution is automatic once the game data is official and the market administrator confirms the result.
Key catalysts include lineup announcements, starting pitcher confirmations, and injury updates for either team. Weather conditions at game time—wind direction, temperature, and humidity—can significantly affect early offensive output. Recent offensive and defensive performance trends, bullpen availability, and head-to-head matchup history may also shift trader expectations. Breaking news about player availability or last-minute roster changes can trigger sharp repricing. As first pitch approaches, real-time observations like field conditions and umpire assignments may influence final positioning before the inning begins.