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 28, 2:15 PM EST
Polymarket
In the upcoming MLB game between the Miami Marlins and St. Louis Cardinals, scheduled for June 28 at 2:15PM ET: This market will resolve to "Miami Marlins" if the Miami Marlins win the game. This market will resolve to "St. Louis Cardinals" if the St. Louis Cardinals win the game. If the game is postponed, this market will remain open until the game has been completed. If the game is canceled entirely, with no make-up game, or ends in a tie, this market will resolve 50-50. The primary resolution source for this market is the official final statistics of the event as recognized by the governing body or event organizers. However, if the governing body or event organizers have not published final match statistics within 24 hours after the event's conclusion, a consensus of credible reporting may be used instead.
In the upcoming MLB game between the Miami Marlins and St. Louis Cardinals, scheduled for June 28 at 2:15PM ET: This market will resolve to "Miami Marlins" if the Miami Marlins win the game. This market will resolve to "St. Louis Cardinals" if the St. Louis Cardinals win the game. If the game is postponed, this market will remain open until the game has been completed. If the game is canceled entirely, with no make-up game, or ends in a tie, this market will resolve 50-50. The primary resolution source for this market is the official final statistics of the event as recognized by the governing body or event organizers. However, if the governing body or event organizers have not published final match statistics within 24 hours after the event's conclusion, a consensus of credible reporting may be used instead.
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 aggregate trader beliefs through continuous price discovery. This market's odds may lead or lag sportsbook lines depending on which venue attracts sharper early information. Comparing the two can reveal value: if this market prices Miami significantly higher than major sportsbooks, it may signal either informed trader conviction or a temporary mispricing. Tracking both sources over time helps identify which venue tends to be more predictive for baseball matchups.
This market resolves around Jul 5, 2026, once the game concludes and the final result is verified against credible public sources. The outcome is determined by which team wins the matchup; no draws or alternative scenarios apply in baseball. Resolution typically occurs within hours of game completion, allowing traders to settle positions quickly. Until that point, prices may fluctuate based on live game developments, breaking news, or shifts in trader sentiment. Early resolution is possible if circumstances prevent the game from being played as scheduled.
Key catalysts include injury announcements affecting star players, starting pitcher confirmations or changes, and late-breaking lineup decisions. Weather conditions at game time—particularly wind direction and temperature—can influence scoring expectations and shift probabilities. Betting market activity and sharp money flowing into sportsbooks often precedes prediction market moves, so monitoring those channels provides early signals. Team performance trends, recent head-to-head records, and bullpen availability also drive trader sentiment. Breaking news about roster changes or unexpected player absences can trigger sharp repricing, especially closer to game time when uncertainty resolves.