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: May 29, 10:04 PM EST
Kalshi
This market tracks whether the Minnesota Twins and Pittsburgh Pirates game will extend beyond nine innings when they play on May 29, 2026 at 6:45 PM EDT. On Kalshi, the probability of extra innings occurring stands at 7.0%. The market resolves according to whether the game officially goes to extra innings, as determined by the final box score from the scheduled matchup. Watch for how both teams' bullpen strength and offensive production develop leading up to game time on May 29, 2026.
Prediction market odds on Kalshi reflect the aggregated beliefs of traders betting real money on whether extra innings will occur, whereas traditional sportsbooks set odds to balance their book and lock in profit margins. Prediction markets typically respond faster to breaking news—such as roster changes, weather updates, or pitcher adjustments—because traders have direct financial incentive to price information accurately. Sportsbooks may lag behind or apply wider margins. Comparing Kalshi odds to major sportsbook lines can reveal which venue views extra innings as more or less likely.
The market resolves on May 30, 2026, shortly after the conclusion of the Minnesota vs Pittsburgh game originally scheduled for May 29, 2026 at 6:45 PM EDT. Resolution is determined by whether the game actually goes into extra innings—that is, whether the score remains tied after nine complete innings. The outcome is objective and verifiable from official MLB records. Once the game ends and the result is confirmed, the market settles automatically and traders receive payouts based on their positions.
Several catalysts could shift the extra innings probability before game time. Roster announcements—particularly injuries to star pitchers or hitters—can alter offensive and defensive balance. Weather forecasts, especially wind direction and temperature affecting ball carry, influence scoring pace. Bullpen depth reports and recent team performance trends matter significantly, as tired or depleted relief corps may struggle to hold leads. Late-breaking lineup changes or managerial decisions announced hours before first pitch can also move the market. Real-time game flow, including early runs and pitcher effectiveness, will drive the sharpest repricing as the event approaches.