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, 10:29 PM EST
Kalshi
This market tracks the run differential between Tampa Bay and Kansas City in their June 30, 2026 baseball game. Bettors wager on whether one team will win by specific margin thresholds.
The market resolves based on the final run differential in the Tampa Bay vs Kansas City professional baseball game originally scheduled for June 30, 2026 at 7:40 PM EDT. Outcomes track whether Kansas City wins by more than 3.5 runs, Kansas City wins by more than 2.5 runs, Kansas City wins by more than 1.5 runs, Tampa Bay wins by more than 1.5 runs, Tampa Bay wins by more than 2.5 runs, or Tampa Bay wins by more than 3.5 runs. Each outcome resolves independently based on the final margin of victory.
Prediction market odds and sportsbook odds often diverge because they reflect different participant bases and incentive structures. Sportsbooks set lines to balance action and lock in profit margins, while prediction markets like this one are driven by traders risking real capital on their forecasts. Over time, prediction markets have shown accuracy comparable to or better than traditional sportsbook spreads, especially as more informed participants trade and arbitrage away mispricings. Comparing this market's implied probability to major sportsbook lines can reveal where consensus differs.
On Kalshi, this market is priced through a continuous order-book mechanism where traders submit bids and asks for contracts representing different spread outcomes. On Kalshi, prices reflect that venue's order book, liquidity, and how traders price the outcome right now. The price of each contract reflects the collective belief of all active traders at that moment, with supply and demand determining whether odds move up or down. As new information emerges or trading volume shifts, the implied probability updates in real time, allowing you to enter or exit positions at market rates.
This market resolves around Jul 1, 2026, once the game concludes and the final score is official. The outcome is determined by the actual point spread between Tampa Bay and Kansas City, verified against credible public sources reporting the final result. Once the margin is confirmed, the market settles automatically based on which spread outcome occurred, and traders' positions are credited or debited accordingly.
Key injury announcements, especially to starting quarterbacks or star defensive players, typically trigger sharp moves in spread markets. Weather forecasts closer to game day—wind, rain, or extreme cold—can shift expectations for offensive performance. Line movement at major sportsbooks often precedes or mirrors prediction market shifts, as sharp bettors arbitrage across venues. Team news, playoff seeding implications, and late-week roster changes all influence trader positioning. Monitoring beat reporters and official team statements in the days leading up to kickoff can help you anticipate how this market may react.