TOTAL VOLUME:
$134.1b
24H VOL:
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2,388,728,490
OPEN INTEREST:
$1,436,095,462
405,232
Markets across
30,526
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MATCHED EVENTS:
2,693
PLATFORM COVERAGE:
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Polymarket:
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VS.
Kalshi:
61%
Closed: Jun 30, 10:34 PM EST
Kalshi
This market tracks whether the Tampa Bay Rays and Kansas City Royals play beyond nine innings in their scheduled matchup on June 30, 2026. The game must go to extra innings for a Yes resolution.
If Tampa Bay and Kansas City go to extra innings in 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 and sportsbook odds often diverge because they serve different purposes and audiences. Sportsbooks set lines to balance action and lock in profit margins, while prediction markets reflect the aggregated beliefs of traders who profit by forecasting accurately. This market's odds may move faster or more dramatically than traditional sportsbook lines, especially as game conditions change. Comparing the two can reveal where professional traders and casual bettors disagree on the likelihood of extra innings.
On Kalshi, this market is priced through a continuous order-book mechanism where traders submit bids and asks for shares representing an extra-inning outcome. On Kalshi, prices reflect that venue's order book, liquidity, and how traders price the outcome right now. The price you see reflects the most recent trade and the spread between buy and sell orders at any moment. As new information emerges—injuries, weather, momentum shifts—traders adjust their positions, causing the price to fluctuate. This dynamic pricing ensures the market stays responsive to real-world developments leading up to first pitch.
This market resolves around Jul 1, 2026, once the game concludes and the outcome is verifiable from credible public reporting. The resolution hinges on whether the contest extends into extra innings or concludes within regulation. Once the final result is confirmed, the market settles and traders receive payouts based on their positions. Check the event details closer to game time for any updates to the resolution timeline.
Several factors can shift odds in this market before the game begins and during play. Roster changes, injury announcements, or weather forecasts affecting playing conditions may trigger early repricing. Once the game starts, the score, pitcher performance, and momentum swings will influence trader sentiment. Late-inning developments—such as tied scores heading into the ninth—typically accelerate buying pressure on the extra-innings outcome. Monitor team news and live game updates to anticipate major moves.