TOTAL VOLUME:
$134b
24H VOL:
$107,351,958
24H TRANSACTIONS:
2,388,728,490
OPEN INTEREST:
$1,416,970,024
400,720
Markets across
30,097
events
MATCHED EVENTS:
2,633
PLATFORM COVERAGE:
5
Polymarket:
39%
VS.
Kalshi:
61%
Closed: Jun 6, 7:15 PM EST
Polymarket
This market tracks whether either team will score a run during the opening inning of the Chicago Cubs versus St. Louis Cardinals matchup. On Polymarket, the probability that at least one run scores in the first inning stands at 61.0%, while the probability that no run is scored in the first inning is at 51.0%. Resolution will be determined by official MLB box scores available at mlb.com/scores. Watch the starting pitchers' early command and the leadoff batters' plate discipline when the game begins on May 30 at 7:15 PM ET to gauge early offensive momentum.
The Chicago Cubs vs. St. Louis Cardinals prediction market resolves on Jun 6, 2026. Resolution is determined by the official final result of the game as recorded by Major League Baseball. Specific outcomes—such as first-inning run scoring or final winner—settle based on the actual events that occur during the matchup. Traders should monitor official MLB sources and any platform-specific resolution criteria to confirm how their positions will be settled.
Several factors could shift Chicago Cubs vs. St. Louis Cardinals odds before game time and during play. Lineup announcements, injury reports, weather conditions, and bullpen availability typically move markets significantly. Recent team form, head-to-head matchup history, and starting pitcher performance also influence trader positioning. In-game events—such as early runs, errors, or momentum shifts—will cause real-time repricing on Polymarket. Breaking news about player availability or field conditions can trigger sharp moves in all markets tied to this matchup.