TOTAL VOLUME:
$134.1b
24H VOL:
$141,541,542
24H TRANSACTIONS:
2,388,728,490
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: Jun 30, 7:54 PM EST
Kalshi
This market tracks whether either Tampa Bay or Kansas City scores at least one run during the opening inning of their scheduled matchup on June 30, 2026. First-inning scoring is a common early indicator of offensive momentum in baseball games.
If either team scores a run in the first inning of the Tampa Bay vs Kansas City professional baseball game originally scheduled for Jun 30, 2026 at 7:40 PM EDT, then the market resolves to Yes.
Prediction market odds often diverge from traditional sportsbook lines because they aggregate real-time trader sentiment rather than relying solely on oddsmakers' models. While sportsbooks aim to balance action and lock in margins, this market reflects dynamic supply and demand among participants who profit or lose based on accuracy. Comparing the two can reveal where the crowd sees value differently than professional oddsmakers, though both should be evaluated independently for informed decision-making.
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. The price of each outcome reflects the ratio of buy and sell orders at any given moment, with shares typically ranging from $0 to $1. As traders adjust positions based on team lineups, weather, and other game factors, the market price continuously rebalances to clear supply and demand.
This market resolves around Jul 1, 2026, once the first inning of the game concludes and the outcome is verifiable from credible public reporting. The resolution hinges on whether at least one run crosses the plate during that opening frame, regardless of which team scores it. Traders should monitor official game broadcasts and box scores to track the result as it unfolds.
Key catalysts include announced lineups, bullpen availability, weather conditions, and recent offensive trends for both teams. Injuries to star hitters or pitchers can shift expectations significantly, as can historical matchup data showing how these teams perform in early innings. Breaking news about roster changes or umpire assignments may also trigger repricing, while social media and sports commentary can amplify trader conviction as game time nears.