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OPEN INTEREST:
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406,422
Markets across
30,383
events
MATCHED EVENTS:
2,688
PLATFORM COVERAGE:
5
Polymarket:
39%
VS.
Kalshi:
61%
Closed: Aug 29, 1:29 PM EST
Kalshi
This market tracks whether either the Boston or New York Y will score a run in the first inning of game 1 of their doubleheader on August 29, 2026. On Kalshi, the current probability for Yes is 41.0%, with resolution based on the game's official results. Watch for the first pitch at 1:05 PM EDT on August 29, 2026, as this will determine whether a run is scored in the opening inning.
If either team scores a run in the first inning of the Boston vs New York Y professional baseball game 1 of the double header originally scheduled for Aug 29, 2026 at 1:05 PM EDT, then the market resolves to Yes.
On Kalshi, traders in the Game 1 first inning run market set odds based on their expectations for early-game scoring dynamics between the teams. Sportsbook odds, shaped by bookmaker adjustments and broader public betting patterns, often reflect different risk assessments. Prediction market odds here can diverge due to sharper, real-time trader sentiment and lower overheads. For this market, the contrast highlights how decentralized trader behavior versus institutional sportsbook modeling approaches can yield varied implied probabilities for the first-inning run scenario.
This market resolves around Aug 29, 2026, with the outcome confirmed once the event is verifiable from credible public reporting. The result is determined by whether either Boston or New York scores a run in the first inning of Game 1, as officially recorded in the game’s box score and broadcast records.
Key signals that could shift this market include starting pitcher announcements, injury updates, weather forecasts affecting game conditions, and recent team performance trends. Any last-minute changes to the lineup or game location, as well as pre-game analysis from experts, may also influence trader sentiment and drive price movements before resolution.