TOTAL VOLUME:
$134.2b
24H VOL:
$126,590,312
24H TRANSACTIONS:
2,388,728,490
OPEN INTEREST:
$1,439,516,703
404,175
Markets across
30,277
events
MATCHED EVENTS:
2,685
PLATFORM COVERAGE:
5
Polymarket:
39%
VS.
Kalshi:
61%
Closed: Jun 25, 9:42 PM EST
Kalshi
This market predicts the run differential between the teams specifically during the first five innings of the June 25, 2026 game, with outcomes covering St. Louis leads and Arizona leads by various margins.
Resolution is based on the run differential at the end of the first five innings of the Arizona vs St. Louis game originally scheduled for June 25, 2026 at 7:45 PM EDT. Outcomes are divided between St. Louis victory margins and Arizona victory margins, each with specific run thresholds for the five-inning period. If the game is postponed or delayed, the market remains open and resolves after the rescheduled game concludes within two days. The official score at the end of the fifth inning determines the winning margin.
Prediction market odds on this market reflect real-time trader consensus rather than traditional sportsbook pricing models. While sportsbooks use statistical analysis and betting limits to set lines, prediction markets aggregate the collective judgment of many participants who have financial incentive to forecast accurately. This market's odds may diverge from sportsbook spreads because traders incorporate different information sources, risk tolerances, and time horizons. Comparing the two can reveal where public perception differs from professional oddsmaking, though both aim to reflect the true probability of the outcome.
On Kalshi, this market is priced through an order-book mechanism where buyers and sellers submit bids and asks for contracts tied to the first 5 spread 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 last executed trade, and new orders move the market as traders compete to buy low or sell high. Liquidity and trading volume directly influence how tight the bid-ask spread is, meaning active markets show tighter pricing while thinner ones may have wider gaps between buy and sell prices.
This market resolves around Jun 26, 2026, once the game has been played and the first 5 spread is verifiable from credible public sources. The outcome is determined by the actual point spread between Arizona and St. Louis after exactly five minutes of game time. Once the event concludes and the data is confirmed, the market settles based on which team was favored at that specific moment, concluding all open positions.
Key catalysts for this market include injury announcements, lineup changes, or late-breaking roster news that affects either team's early-game performance potential. Betting action and sharp money flowing into one side can shift odds significantly as traders react to new information. Game-day conditions, referee assignments, and pregame momentum from recent team performance may also influence how traders price the first 5 spread. Media narratives and expert commentary released close to tipoff can trigger rapid repricing as the market absorbs fresh perspectives on early-game dynamics.