TOTAL VOLUME:
$134.1b
24H VOL:
$133,388,117
24H TRANSACTIONS:
2,388,728,490
OPEN INTEREST:
$1,436,095,462
405,232
Markets across
30,526
events
MATCHED EVENTS:
2,693
PLATFORM COVERAGE:
5
Polymarket:
39%
VS.
Kalshi:
61%
Closed: Jun 26, 11:29 PM EST
Kalshi
This baseball spread market tracks the run differential between Miami Marlins and St. Louis Cardinals in their June 26, 2026 matchup. Bettors can wager on whether one team wins by specific margin thresholds ranging from 1.5 to 3.5 runs.
The Miami vs St. Louis game scheduled for Jun 26, 2026 at 8:15 PM EDT will be evaluated based on the final run differential. Outcomes are determined by whether St. Louis or Miami wins by more than specified run margins: 1.5, 2.5, or 3.5 runs. Each margin threshold represents a distinct outcome, allowing bettors to select their preferred spread level for either team.
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 the collective beliefs of traders who have real money at stake. This market's odds may lead or lag sportsbook spreads depending on information flow and trader conviction. Comparing the two can reveal where the crowd sees value or where consensus is shifting.
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 probability traders assign to that outcome, with higher prices indicating stronger confidence. As new information emerges or sentiment shifts, the bid-ask spread tightens or widens, and prices adjust in real time to balance supply and demand among active participants.
This market resolves around Jun 27, 2026, once the game concludes and the final score is official. The outcome is determined by the actual point differential between Miami and St. Louis, verified against credible public sources. Contracts will settle based on whether the final margin matches the spread threshold specified in the market. Resolution typically occurs within hours of game completion, allowing traders to see results and close positions promptly.
Key catalysts include injury announcements to star players, lineup changes, weather conditions on game day, and betting-market shifts at major sportsbooks. Coaching decisions, recent team performance trends, and head-to-head matchup history can all influence trader positioning. Breaking news about team morale, travel delays, or last-minute roster moves may trigger sharp repricing. As game time approaches, this market typically becomes more volatile as new information surfaces and traders adjust their conviction on the final spread outcome.