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 26, 8:19 PM EST
Kalshi
This market focuses on the run differential between the two teams during the first five innings of their June 26, 2026 baseball game. Bettors can wager on whether Tampa Bay or Arizona will win by specific margins (1.5 or 2.5 runs) during this period.
The Arizona vs Tampa Bay First 5 Spread event consists of four separate markets evaluating the run differential at the end of the fifth inning of the game originally scheduled for June 26, 2026 at 7:10 PM EDT. Two markets assess whether Tampa Bay wins by more than 1.5 or 2.5 runs respectively, while two markets assess whether Arizona wins by more than 1.5 or 2.5 runs respectively. Each market independently resolves to Yes if the specified team achieves a victory margin exceeding its designated threshold, or No otherwise. The resolution is determined by the official final score recorded at the end of the fifth inning. If the game is postponed or delayed, all markets remain open and will close after the rescheduled game concludes, provided the rescheduling occurs within two days of the original date.
Prediction market odds and traditional sportsbook odds often diverge because they reflect different participant bases and incentive structures. Sportsbooks set lines to balance action and manage risk, while prediction markets aggregate distributed trader beliefs through continuous price discovery. This market may show different implied probabilities than major sportsbooks, particularly as new information emerges or as the event draws closer. Comparing the two can reveal where professional and retail traders see value differently.
On Kalshi, this market is priced through an order-book mechanism where traders buy and sell contracts based on their belief about the outcome. 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 probability estimate of all active participants, updating continuously as new trades execute. Liquidity and trading volume influence how quickly prices adjust to news or shifting sentiment, so periods of high activity typically produce tighter spreads and more efficient pricing.
This market resolves around Jun 27, 2026, once the first five minutes of the Arizona versus Tampa Bay game have concluded and the final spread result is verifiable from credible public sources. The outcome is determined by comparing the actual point differential in that opening window against the specified spread. Resolution occurs automatically after official confirmation, allowing traders to settle their positions and collect winnings or losses based on how accurately they predicted the early-game scoring dynamics.
Key catalysts for this market include injury announcements, lineup changes, weather conditions, and recent team form leading into game day. Betting trends and sharp money flowing into sportsbooks can signal where professional bettors see value, often triggering repricing here as well. Breaking news about player availability, coaching adjustments, or momentum shifts in either team's season can shift trader expectations about early-game scoring. Real-time game conditions—such as weather at kickoff or unexpected tactical adjustments—may also influence last-minute trading activity before the market locks.